Why is work measured in Newton- Meters (NM)?

A. Newton invented work.
B. The equation for work consists of one factor.
C. The equation for work consists of two factors.
D. Newton discovered work.

Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides

Select all the true statements about the cosmic microwave background radiation

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat