Which of the following methods is not used to determine population size? a. indirect observation c. captive breeding b. mark-and-recapture d. sampling

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.