High-efficiency particulate air (HEPA) filters are designed to remove which sized particles from the environment? 0.1 microns or smaller a) b) 0.3 microns or larger O c) 0.1 microns or larger d) 0.3 microns or smaller

Answers

Answer 1

Answer:

d) 0.3 microns or smaller


Related Questions

How is soil formed?

A.
Water combines with crystals of lava, leaving rock particles behind.

B.
Volcanic eruptions release magma, which produces loose rock.

C.
Sedimentary rocks are produced when the Earth’s crust shifts.

D.
Weathered rocks mix with other surface materials.

Answers

Answer:

They are produced from rocks (parent material) through the processes of weathering and natural erosion.

Explanation:

Water, wind, temperature change, gravity, chemical interaction, living organisms and pressure differences all help break down parent material.

Splitting apart a large atom nucleus into two or more smaller atoms describes what
energy type?
Nuclear energy
Chemical energy
Thermal Energy
Electrical energy

Answers

The answer for the problem is Nuclear Energy.

Please help me asap! 20 points!!!

Can someone help me with this question?

Answers

Answer:

Wait there bones look like that

Explanation:

I did not know that they look like that the more you know

Which of these would cause the most physical weathering?
O A. A deep, fast-moving river
B. Sand being blown across a field
O C. The roots of a large tree
D. A shallow, slow-moving river

Answers

The roots of a large tree will cause the most physical weathering.

What is Physical weathering?

This is the process that causes the disintegration of rocks, mineral, and soils without chemical change.

The roots of a large tree grow into rocks and cracks thereby resulting in a large amount of weathering taking place.

Read more about Physical weathering here https://brainly.com/question/14028628

Answer:

its D

Explanation:

What happens to ADP after ATP hydrolysis?

Answers

ADP is combined with a phosphate to form ATP in the reaction ADP+Pi+free energy→ATP+H2O. The energy released from the hydrolysis of ATP into ADP is used to perform cellular work, usually by coupling the exergonic reaction of ATP hydrolysis with endergonic reactions.

helppp
I dunno how to answer theseeeee im so confuseddddddddd

Answers

Answer:

We know energy is transferred because it is exchanged at each level when one consumer eats another consumer.

You can provide evidence by comparing the units at each level.

Your New Year's resolution is to drastically reduce the amount of cholesterol in your diet by eating less meat and more fruits and vegetables. After a few months, your liver will respond by producing ______ cholesterol.

Answers

After a few months of eating less meat and more fruits and vegetable, the liver will respond by producing more cholesterol.

What is body homeostasis?

The term body homeostasis makes reference to the internal equilibrium (homeostasis) of the body.

Body homeostasis may involve the production of certain substances when they are not consumed from the diet.

In this case, it is possible to increase cholesterol levels by having certain healthy habits (food habits).

Learn more about body homeostasis here:

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Convert 650 mm Hg to kPa and atm​

Answers

Kilopascal 86.6596
atm 0.855263

Which one of the following is NOT a
characteristic of livings things?
A. must grow and develop
B. must be made of more than one cell
C. must be able to reproduce
D. must have a universal genetic code



Answers

Must have a universal genetic code

What is the law of conservation of energy?

Answers

Answer:

energy can neither be created nor destroyed.

Explanation:

energy can neither be created nor destroyed. only converted from one form of energy to another.

Evaluate the role of media in addressing substance abuse with special reference to the following . 1television 2.social media platforms​

Answers

Social media help in addressing substance abuse through awareness and sensitization are going on to make know of the harm and danger in substance abuse.

What is social media?

Social media are online platforms that allows the user to create, write or display content and share with viewers and it also helps to access information and participate in many social networking.

Socal media campaigns have been done on television programs and other social media platforms to prevent the illicit use of drug by young and old people. This is because most young people visit the online platforms more and awareness and sensitization are going on to make know of the harm and danger in substance abuse.

Therefore, media help in addressing substance abuse through awareness and sensitization are going on to make know of the harm and danger in substance abuse.

Learn more on social media here,

https://brainly.com/question/3653791

Which type of cell is pictured on the right?

Answers

Answer:

It is a Prokaryotic cell

Explanation:

it is ova

It is a prokaryotic cell.


Explanation: you can see that it has a capsule, which only prokaryotes such as bacteria have.

Describe the appearance of chromosome during the different stages of meiosis and mitosis? ​

Answers

Answer:

Chromosomes compress, thicken, shorten, and become more apparent during prophase. At the centromere, chromosomes appear as two sister chromatids fused together. Chromosomes line up on the equator during metaphase.

Which type of electricity-generating power plant releases radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions?.

Answers

We can confirm that coal-burning power plants release radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions.

What are coal-powered plants?

These are power plants that rely exclusively on the burning of coal to generate electricity. These plants have been shown to release heavy metals such as lead and arsenic found in coal as well as minor traces of naturally occurring radioactive materials and minerals.

Therefore, we can confirm that coal-burning power plants release radioactive materials as well as toxic metals such as lead and arsenic under normal operating conditions.

To learn more about coal energy visit:

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Which of the following describes a limiting factor of population size?

Birth rate
Death rate
Available land
Gestational period

Answers

Answer:

death rate

Explanation:

As death rate increases there's decrease in population

Mountains are formed at continental plates that converge because they have
similar

Answers

Answer:

When two plates of continental crust collide, the material pushes upward. This forms a high mountain range. The remnants of subducted oceanic crust remain beneath the continental convergence zone

Explanation:

Do hardwork and intelligence can be inherit or not?

Answers

Hey there!

Hardwork can't be inherited,because it's an acquired trait.(A trait which acquired by an individual in his lifetime)

Whereas, intelligent can be inherited but there might a little bit variation.

Hope it helps

P
What type of inheritance does this pedigree show?
I
1
2
II
2
3
4
5
6
III
1
2
3
4
5
6
IV
1
2
O Dominant
Recessive
Could be dominant or recessive

Answers

Answer:

1.0000.000 and keep up the work ok goood job buddy and study ok you and your body

Explanation:

d

In general, bacterial
cells are prokaryotic.
Which cells are eukaryotic?

a. Bacterial cells
b. Animal and plant cells

( it’s b )

Answers

Answer:

B . Animal and plant cells

Animal and plant cells are eukaryotic cells.

What are Eukaryotic cells?The region One of the three realms of life is eukaryote; the other two are bacteria and archaea.Organelles that are membrane-bound and found in eukaryotic cells include the nucleus, mitochondria, and endoplasmic reticulum. Protozoa, fungi, plants, and animals are examples of eukaryotic cell-based organisms. The biological domain Eukaryote is where these species are categorized.Animals, fungi, protists, and plants are eukaryotic cells examples. They have chromosomes, which organize their genetic material.Since prokaryotic cells lack a membrane-bound nucleus, eukaryotic cells are the main difference between these two types of creatures. Eukaryotes store their genetic material in their nuclei.

learn more about eukaryotic cells here: https://brainly.com/question/13969093

#SPJ2

Which option best characterizes the following passage in regard to recent developments in agriculture?

“Combined investments helped discover and develop farming equipment, which resulted in higher yields and the need for fewer farming personnel.”


Farms provide fewer jobs compared to agricultural research and development.
Farms provide fewer jobs compared to agricultural research and development.

Farming equipment use eventually turns farms into mass-producing factories.
Farming equipment use eventually turns farms into mass-producing factories.

Farming equipment is more expensive now than it was fifty years ago.
Farming equipment is more expensive now than it was fifty years ago.

Farms now produce more crops, creating a need for more farm workers.

Answers

Answer:

Farming equipment is more expensive now than it was fifty years ago

Explanation:

much more technology goes to farm equipment. A combine could cost more them a $ 500k

Answer: Farms provide fewer jobs compared to agricultural research and development.

Explanation: i got it right on edge

suggest reasons, is a fall armyworm an insect or not​

Answers

Fall armyworm larvae Armyworms belong to the insect order Lepidoptera and family Noctuidae

which zone in the ocean is the most challenging to survive in?

Answers

Answer:

The Bathyal zone is the hardest to survive in.

Explanation:

Technically, the entire ocean is difficult to survive in. There's no oxygen and lots of scary ocean predators.

But the Bathyal zone, which is 1000 - 4000 meters below the surface of the ocean has no sunlight, making most of the sea creatures there have no eyes. Because this zone is so dark, with little food to survive in, fish don't hang out here.

(I suggest just staying home)


Post-translational modifications of proteins may include which of the following processes?

Answers

Post-translational modifications of proteins makes them functional and include:

methylationaddition of disulphide bridges folding phosphorylation

What is post-translational modification of proteins?

Post-translational modifications of proteins refers to modifications that are made on new synthesized proteins after synthesis at the ribosomes.

Post-translational modifications of proteins are important as they help to convert the proteins into their active forms.

Some post-translational modifications of proteins include:

methylationaddition of disulphide bridges folding phosphorylation

Therefore, post-translational modifications of proteins are required to make proteins functional.

Learn more about proteins at:https: //brainly.com/question/884935

how does urbanization affect your life and the area in which you live

Answers

Answer:

Population growth, lack of supplies

Explanation:

Urbanization can impact an area, especially population growth. People could be crowded, and that supplies could run out as it is an urbanized region.

Define transcription AND explain how RNA leads to the production of a protein (aka polypeptide/amino acid sequence).

Answers

Answer: Transcription is a process in which a cell makes an RNA copy of a piece of DNA. The type of RNA that contains the information is called messenger (mRNA) because it carries the info, message  from the DNA out of the nucleus into the cytoplasm.

Explanation: RNA is needed to help carry out the instructions in DNA, Like DNA, RNA is made up of nucleotide

Which of these is a characteristic of
living things?
A. cannot metabolize food
B. growth and development
C. unable to reproduce
D. cannot respond to the environment

Answers

Answer:

The answer is B.

Explanation:

Living things grow and develop. Living things can reproduce. Living things respond to an environment they are in. Living things metabolize food for energy. In response all the answer choices except B are wrong because they can be done.

It is spring in New York City and Washington, D.C. The temperatures in New York City are well above freezing, while a thunderstorm is expected in Washington. Which forms of precipitation would you predict in these two cities under these conditions?

a Rain in New York City and hail in Washington, D.C.

b Sleet in New York City and rain in Washington, D.C.

c Snow in New York City and hail in Washington, D.C.

d Rain in New York City and sleet in Washington, D.C.

Answers

Answer:

(C) - Snow probably in New York City and hail in Washington, DC

inherited structures of bears

Answers

Common characteristics of modern bears include large bodies with stocky legs, long snouts, small rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails.

What do free ribosomes do?
A. raise alarms when the cell is under attack
B. float around the cell looking around then report back
to the nucleus
C. attach to mRNA to create proteins that are used
within the cell
D. maintain homeostasis by keeping the cell at a normal
temperature

Answers

C because mRNA needs to go through ribosomes in order to create proteins!
Answer : C create proteins

An image of a wooly mammoth and a mastodon is shown here. Analyze the similarities and differences between these species and
present-day elephants. Evaluate the statements below and select the one(s) that accurately describe the evolution of these
species. Select ALL that apply.

Answers

Several factors were important for the extinction of mammoths to mastodons, and natural selection of the elephant, mainly the ecosystem they lived in and the search for food.

What are the differences between the mammoth and the elephant?

The mammoth is an animal that was once extinct and belonged to the genus Mammuthus and the family Elephantidae which included the proboscidians. Elephants differ from mammoths in that mammoths had their bodies covered with hair. Also, elephants are slightly smaller than mammoths.

What are the differences between the mastodon and the elephant?

Both were herbivores, but the mastodons had conical-shaped teeth designed to crush leaves and branches more easily. Mammoths had rough molars, allowing them to cut through vegetation and graze like modern elephants.

Whit this information, we can conclude that several factors were important for the extinction of mammoths to mastodons, and natural selection of the elephant, mainly the ecosystem they lived in and the search for food.

Learn more about mammoth in brainly.com/question/14877024

Answer: B C E

Explanation: Usatestprep

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