1. unlike an animal's habitat, an animal's niche can be described by all of the following except a. the place in which the species lives. b. the job the organism has within its environment. c. the way the species obtains what it needs to survive. d. the way the species obtains what it needs to reproduce.

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid