What kind of organic molecule is this?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere