question below:
The growth of which of the following usually occurs first in primary succession on a bare rock?
answer below:
Lichens

question below:
Which of the following is most consistent with the modern theory of evolution?
answer below:
Parents pass their physical traits to their offspring; those offspring with traits that help them survive in the environment are able to reproduce.

question below:
A recycling plant manager needs to melt 1500 kg of scrap copper to sell to a wire manufacturer. The copper is at 15C and its melting point is 1083C. The copper has a specific heat of 385 J/kg x K. How much heat is required to raise the temperature of the copper to its melting point?
answer below:
6.2 x 10^8 J

question below:
A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to survive?
answer below:
They have different genetic variations that cause them to be more resistant to cold temperatures.