Answer:
C. Muscles contract rapidly to produce heat on a cold day.
Explanation:
CORRECT
Answer:
Organic matter produced when an organism is alive remains unchanged in unaltered fossil while the opposite happens in cases of altered fossil
Explanation:
When the organic material produced by an organism during the time period when it was alive remains unchanged in the given course of time then it is termed as unaltered or original preservation. for example - bones, teeth etc, remain intact.
While in case if the organic material produced by an organism during the time period when it was alive changes in due course of time by the external forces is called as altered fossil
Answer:
At the interior side.
Explanation:
Nonpolar amino acids of a protein more likely to be found at the interior side of the soluble proteins where they are far from the water because water is a polar molecule and only polar amino acids of protein can interact with the water so that's why the polar amino acids are present on the surface of soluble proteins and the nonpolar amino acids of a protein are present at the interior side of the soluble proteins due to its nonpolar nature.
Well if its the inner one that is folded then its Mitochondria