Q: Where does the earth gets its energy from? Choices: - decomposers - precipitation - heat - sun A:
sun

(Question)
Q: What does the geiger counter detect? Choices: - vibration - convection - moisture - radiation A:
(Answer)
radiation

Ques: Q: Refraction happens when light bends from doing what in a new medium? Choices: - changing brightness - changing color - changing trajectory - changing speed A:
Ans: changing speed

(Q).
Q: What is the layer of ground below the surface that is always frozen, even in the summer? Choices: - tundra - bedrock - upper crust - permafrost A:
(A).
permafrost

Ques:Q: Genetic variation helps ensure that some organisms will survive if what happens? Choices: - they get eaten - there's an earthquake - they die - their environment changes A:

Ans:their environment changes

Ques:Q: What occurs when groups from the same species stop mating because of something other than physical or geographic separation? Choices: - extinction - complementary speciation - invasive speciation - sympatric speciation A:

Ans:
sympatric speciation