I believe the correct answer is D. <span>ears pinned back, eyes averted or lowered, and lips pulled back and down.
When dogs are afraid, their ears are lowered to show fear because of something they may have done wrong. They are also scared or embarrassed to look at their owner because they know they will receive some sort of punishment. Their tail is also usually tucked between their legs to show they are afraid.
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Answer:
C. Make comparisons
Explanation:
A line graph can be used to do make comparisons to something measured over time.
Chemical weathering refers to the erosion or total disintegration of rocks that are caused by chemical reactions and not by mechanical processes. Usually water and other liquid substances causes this to occur. Skyscrapers or buildings are prone to chemical weathering because they are constantly exposed to precipitation and other elements in the atmosphere. In rocks, when this process happens they tend to crumble and form smaller rock pieces. It is important to note that during this stage, the end product is a totally different substance than its original phase.
Biotic factors: living or once-living
Abiotic factors: non living
I dont know the what the populations are (not enough information to answer)
Niche: a niche is a term describing the relational position of a species or population in an ecosystem. ... The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.
Natural selection? I'm not sure