Q: A mixture of a metal with one or more other elements is called? Choices: - a carbon - a hydrogen - a cobalt - an alloy A:
an alloy

(Question)
Q: Isothermal expansion is a process occurring without a change in? Choices: - weight - variation - precipitation - temperature A:
(Answer)
temperature

Ques: Q: What is the opposite of nuclear fusion? Choices: - Solar Power - energy fission - might fission - nuclear fission A:
Ans: nuclear fission

(Q).
Q: Most food chains and webs have a maximum of how many trophic levels? Choices: - 3 - 10 - 6 - 4 A:
(A).
4

Ques:Q: What is the earths crust composed of? Choices: - sedimentary rock - bicellular rock - metamorphic rock - igneuos rock A:

Ans:igneuos rock

Q: Light waves which interfere with themselves after interaction with a small aperture or target are said to what? Choices: - refract - adduce - reflect - diffract A:
diffract