Which of the following are not biotic or abiotic factors in an ecosystem? (choose one) answer ASAP, I really need help

A. Water and air

B. rocks and energy

C. Plants and animals

D. Cultural components

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

What is gene expression control that occurs after the generation of rna

Name the organism that belongs to the kingdom protista.