Answer:
A: glaciers wearing down layers of rock
Explanation:
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Answer:
DNA is double-stranded, while RNA is single-stranded. RNA contains ribose as a sugar, while DNA contains deoxyribose. Also, three of the nitrogenous bases are the same in the two types (adenine, cytosine, and guanine), but DNA contains thymine while RNA contains uracil.
An organ is a group of tissues working together to perform specific functions. An example of an organ is the heart.
Answer:
all of the above
Explanation:
All the statements are true that is Sweating is an example of positive feedback because when you sweat your body becomes hot and your inner body becomes cool. Shivering is an example of negative feedback because shivering occurs when there is cold in the body and can lead to sickness. The nervous system is responsible for sensing changes in the environment because it is responsible for sensing what's going on in our body.
Most fearures of the earth si terristrial, thick, out layer
