A population of mammals leaves an ecosystem because of increased temperatures and decreased rainfall. What’s the reason for this shift?

A.
change in abiotic factors
B.
change in biotic factors
C.
change in food preferences
D.
change in genetic makeup

The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

An object's buoyant force and weight mean the same thing.a. trueb. false