Please help me with this

Answer:

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers.

Explanation: GOOD LUCK

Answer:

He describes basketball as asking him for his “hustle.” Instead, he gave the sport his heart. The speaker worked hard because he wanted to do the game justice. He wanted to show his love for the sport because that's “what you do / When someone makes you feel as / Alive” as basketball made him feel.

Answer:

Humans

Explanation:

A new research now suggests that possibly the entire animal kingdom, including humans, shares important genetic mechanisms with sea sponges. Now published in the journal Science, the discovery has been made by a team of scientists led by Dr. Emily Wong from the Victor Chang Cardiac Research Institute and UNSW Sydney.

Answer:

I believe it is B. The damaged tissue releases chemical messengers

Explanation:

This is because the chemicals of the so-called complement system start drilling holes into bacterial cell walls. Macrophages, big eater cells, devour any invaders they meet. This is to prevent furthur infection!

Answer:

autotrophs are organisms that make their own food, like plants, who make their own food through photosynthesis.

An autotroph is an organism capable of making nutritive organic molecules from inorganic materials. It could be through photosynthesis (involving light energy) or chemosynthesis (involving chemical energy).

Answer:

The answer is Distance.

Answer:

His work was not accepted at the time because during that time DNA had not yet been discovered.

Answer:

A compound light microscope is a microscope with more than one lens and its own light source. In this type of microscope, there are ocular lenses in the binocular eyepieces and objective lenses in a rotating nosepiece closer to the specimen.

The scanning electron microscope (SEM) produces images by scanning the sample with a high-energy beam of electrons. As the electrons interact with the sample, they produce secondary electrons, backscattered electrons, and characteristic X-rays.

Explanation:

[tex]\textsf{QUESTION:-}[/tex]

[tex]\textsl{Why are data tables useful in an experiment?}[/tex]

[tex]\hookrightarrow[/tex] [tex]\textsf{ANSWER:-}[/tex]

Data tables aid in the organization of information. Saving data from an experiment or scientific research in a data table will make it easier to look up later. Data tables may also aid in the creation of graphs and other charts based on your data.

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[tex]\textbf{HOPE IT HELPS}[/tex]

[tex]\textbf{HAVE A GREAT DAY!!}[/tex]

Power your home with renewable energy and speak up!

Answer:

TACGGTAACG

Explanation:

T-A

C-G

Answer:

I think it is by implementing small anti-climate change measures but I'm not sure

Answer:

A. They were part of the control group

Explanation:

In a scientific experiment, the CONTROL GROUP as opposed to the experimental group is the group that does not receive the experimental treatment. This acts as a standard for comparison.

In this question, the EXPERIMENTAL VACCINE is the experimental treatment or independent variable that was added. The five animal test subjects that was injected with this vaccine are called the EXPERIMENTAL GROUP while the other five test subjects that were rather injected with a PLACEBO are called CONTROL GROUPS.

Explanation:

everything can be found in the picture

Through this process of natural selection, favorable traits are transmitted through generations.

To know more about evolution here

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Answer:

A water molecule is released during polymerization, which helps in the formation of a bond, and it is added during the break down of a polymer, which helps in breaking the bond.

Answer:

The correct answer is -

26. false

27. true

28. false

29. false

30. true

31. true

32. false

Explanation:

The first trophic level is usually primary producers and herbivores are the primary consumers placed in the second trophic level.

There are some plants that depend on insects and small organisms for their nutrition.

Habitat is the living area of an organism it can be understood as address.

Biotic factors are the living organisms of the ecosystem while sunlight, soil, temperature are abiotic factors.

A food web is complex as it is made up of several food chains interconnected.

Normally there are only three or four trophic levels in most of the ecosystem.

Energy is not recycled in ecosystems like water or carbon.

Explanation:

Introduction  Human trafficking is a group of crimes involving the exploitation of men, women and children for financial gains which is violation of fundamental human rights  Human trafficking is the 3rd largest international crime  Over one million people trafficked annually  Millions of men, women and children are victims of human trafficking  Human trafficking is a part of the larger problem of slavery

 human trafficking is when people are transported, by force or deception, to become enslaved  Traffickers use blackmail, abuse, and threats to force victims to comply with their wishes in the destination country  Usually caused by poverty/lack of economic opportunities, especially for women and children, and a demand for certain services in the destination country

Answer:

Blood comes into the right atrium from the body, moves into the right ventricle and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle and out to the body's tissues through the aorta.

Explanation:

Answer:

1) body –> 2) inferior/superior vena cava –> 3) right atrium –> 4) tricuspid valve –> 5) right ventricle –> 6) pulmonary arteries –> 7) lungs –> 8) pulmonary veins –> 9) left atrium –> 10) mitral or bicuspid valve –> 11) left ventricle –> 12) aortic valve –> 13) aorta –> 14) body.

Explanation:

this is full path of blood with every single detail

Answer:

Social behavior is defined as interactions among individuals, normally within the same species, that are usually beneficial to one or more of the individuals. It is believed that social behavior evolved because it was beneficial to those who engaged in it, which means that these individuals were more likely to survive and reproduce. Social behavior serves many purposes and is exhibited by an extraordinary wide variety of animals, including invertebrates, fish, birds, and mammals.

Social behavior seems to provide many benefits to those who practice it. Studies have shown that many animals are more successful in finding food if they search as a group. This is especially true if food resources are clumped together only in certain places. If more individuals are cooperating in the search, there is a greater chance one of them will find the clump of food. In some cases, foraging in a group makes it easier to capture a prey. Dolphins are known to surround a school of fish and to take turns darting into the center to eat the fish that are trapped in the middle. Many carnivores will band together when they try to capture large prey. Some examples are that  wolves will hunt together when hunting moose, and lions will hunt together when hunting large prey such as wildebeests. When these animals are hunting much smaller prey, they will often hunt singly.

Many animals live in social groups partly for protection. Although one baboon might not be able to fight off a leopard, a troop of baboons often is able to do so. In addition, with more individuals cooperating together, some can serve as sentries looking for danger while the other group members are eating or sleeping. Prairie dogs and large flocks of crows normally have some individuals acting as sentries, which makes it nearly impossible to sneak up on a prairie dog town or a flock of crows.

Some animals form social groups to make travel easier. Canada geese and other bird species typically fly in a V formation. Just like bicyclists who ride behind one another in order to reduce wind resistance, the geese fly in formation to reduce the wind they must encounter. In this situation, the lead bird has the most tiring job, which is why several birds usually take turns leading the V. Some animals congregate in close proximity to one another in cold weather in an effort to stay warm. Small birds are sometimes known to huddle so closely they form a single large ball of birds.

Answer:

Yes,measurement plays an important role in our daily life because we do various activities like export import selling and buying in our day to day life. These activities are impossible without measurement.

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Answer:

1. It makes buying and selling goods easier.

2. It helps to get the accurate amount of physical quantities.

3. It is important to perform experiments in a science laboratory.

4. It is important in laboratories for getting proper amount of medicines.

5. It is important in construction of roads, buildings, bridges, etc.

Answer:

(D) I think

Explanation:

Answer:

As an indicator of the impacts of climate change, Arctic sea ice is hard to beat. Scientists have observed the frozen polar ocean advance and retreat at this most sensitive region of the Earth over decades for insight on the potential ripple effects on assorted natural systems: global ocean circulation, surrounding habitats and ecosystems, food sources, sea levels and more.