Which astronomer spent 20 years plotting the positions of the planets? kepler galileo brahe newton

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.