All of the following are true concerning enzymes except which statement?Choose one:A. They can change the shape of substrates to increase the rate of a particular reaction. B. They can form covalent bonds with their substrates. C. They can bring reactants together in the proper orientation for chemistry to occur. D. They require an input of energy from ATP for activation.

a: the sheep and waste material both release carbon into the atmosphere.

amber has allowed scientists to study dna that has been preserved over millions of years.

answer: blah

explanation:

bc blah

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.