Explain why scientists think that low light levels and low temperatures would have followed a massive asteroid strike. Why would this have caused mass extinctions?

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

The shift of a vehicle's weight around its center of gravity is known as

Which best describes carbon dioxide’s path out of the body