Which examples of artificial selection are caused by human activity without people even realizing it? a. an increase of tuskless Asian elephants because of ivory poaching
b. growing human organs from pig stem cells because of increased research on stem cell therapy
c. a decrease in rams’ horn size because of hunters’ preference for long-horned rams
d. cows producing milk with more protein because of genetic engineering
e. chickens producing more meat because of selctive breeding

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

What is the process of pulling apart an n2 molecule nevermind i got it

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.