1. Fill in the blanks using words from the lesson.

a. The mineral _______________ , silicon dioxide SiO2, is created by combining the elements silicon and oxygen.

b. Coal, from plant materials, and _______________, created by corals and other sea creatures, are not minerals even though they are mined like many ores.

c. A _____________________ is a naturally occurring, inorganic solid that has a definite chemical composition with a structure.

d. ________________________ is a rock that forms when lava from a volcano cools without crystallizing.

e. A ______________________ mineral has a luster if it looks like a polished metal such as gold, aluminum, lead or copper.

f. Fredrick Mohs, a mineralogist, devised a scale to test a mineral's resistance to being _____________________.

g. Conchoidal fracture in minerals creates a smooth _______________________ surface that is similar to the surface of a conch or seashell.

h. When a diamond cutter wants to get rid of a ______________ in a diamond he separates the flaw from the rest of the diamond by cleaving it off.

i. Mineral collectors use a mineral's _________________________ as a way to eliminate minerals when they are trying to identify an unknown mineral.

j. The most common method of obtaining a _______________________ is by drawing a piece of the mineral across a piece of unglazed porcelain.

The correct options to fill in the gaps are:

A mineral is simply defined as any pure substance that is known to have a unique composition and structure

The mineral silica , silicon dioxide SiO2, is created by combining the elements silicon and oxygen.

Coal, from plant materials, and Limestone, created by corals and other sea creatures, are not minerals even though they are mined like many ores.

A mineral is a naturally occurring, inorganic solid that has a definite chemical composition with a structure.

Basalt is a rock that forms when lava from a volcano cools without crystallizing.

A metallic mineral has a luster if it looks like a polished metal such as gold, aluminum, lead or copper.

Fredrick Mohs, a mineralogist, devised a scale to test a mineral's resistance to being scratched.

Conchoidal fracture in minerals creates a smooth curved surface that is similar to the surface of a conch or seashell.

When a diamond cutter wants to get rid of an inclusion in a diamond he separates the flaw from the rest of the diamond by cleaving it off.

i. Mineral collectors use a mineral's characteristics as a way to eliminate minerals when they are trying to identify an unknown mineral.

The most common method of obtaining a streak is by drawing a piece of the mineral across a piece of unglazed porcelain.

Learn more about minerals at: https://brainly.com/question/15844293

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What is a metamorphic series?

Organisms maintain their stability by responding to changes in their environments. If a rabbit is being chased by a predator, it will respond by running away. Running away from danger helps keep rabbits alive in an environment with predators. The approaching predator is an internal stimulus that causes a rabbit to run away. true or false

help asap pls! :00

Clownfish and sea anemones both benefit from their relationship. Which of the following relationships do they have? :DD
_____________________________________________

A. predatory


B. mutualistic


C. commensalistic


D. parasitic

Moths use light from the moon to help them navigate. An artificial light is brighter than moonlight, so the moths move toward the light instead of the moon.

In this case, seeing the bright light is the _____________, and the ______________ is moving toward the light.

Question 20 options:

response; stimulus


stimulus; response

help asap please!! :DD

Oxpeckers have a mutualistic relationship with rhinoceros. Oxpeckers eat the ticks that are on the rhinoceros.

Which of the following describes how the energy flows in this relationship?
______________________________________________________________
READ CAREFULLY!!

A. The energy flows from the rhinoceros to the tick, and then from the tick to the oxpecker.


B. The energy flows from the tick to the rhinoceros, and then from the rhinoceros to the oxpecker.


C. The energy flows from the rhinoceros to the oxpecker, and then from the oxpecker to the tick.


D. The energy flows from the oxpecker to the tick, and then from the tick to the rhinoceros.

_____________________________________________________________
Please be sure you know its correct as this is my last subject till i go on break

What structures help us determine evolutionary relationships between species? Explain.

Someone please help I need this ASAP!!!

HURRY!!!! Pls helpppp! <3

How does food move through the digestive tract?
through the opening and closing of valves
through the movement of valves
by peristalsis, the wave-like motion of special muscles
by swallowing

HELPPPPPP I NEED ASAP
Question: What is the role of photosynthesis in the cycling of matter and the flow of energy into and out of organisms?
Answer: Some organisms transform solar energy into chemical energy through the process of photosynthesis, which is subsequently used to the production of carbohydrates.


Why does the evidence support your claim? Justify your evidence and how it supports your claim. A few sentences that explain the science behind WHY and HOW the evidence supports the claim:

Academic vocabulary
Make connections
Introductory sentence stems:
Based on the evidence…
It can be concluded…
The evidence reveals/indicates…
Concluding statement stems:
This confirms…
Therefore,
All this proves…
In conclusion…
As a result

*****THE PICTURE IS MY EVIDENCE I JUST NEED A REASONGING FOR MY EVIDENCE******

What is a soil Profile

I need a good and strong debate thingy. Im going against against

Animal Population Control Debate

Any website that ends in .gov or .edu, is automatically considered reputable. MUST provide the LINK, the name of the organization that provided you with the information, and the DATE/Year for EACH of your arguments.