Q: What is the process in which unstable nuclei become stable by emitting particles and energy and changing to different elements called? Choices: - nuclear decay - radioactive decrease - initial decay - radioactive decay A:
radioactive decay

(Question)
Q: What are the primary producers in the ocean? Choices: - fish - zooplankton - algea - phytoplankton A:
(Answer)
phytoplankton

Ques: Q: The sun, stars, moon, planets and comets are all type of what objects? Choices: - extraterrestrial - universal - spacial - celestrial A:
Ans: celestrial

(Q).
Q: What is the measure of the change in the velocity of a moving object called? Choices: - transmission - compression - pressurization - acceleration A:
(A).
acceleration

Ques:Q: A changing magnetic field produces an electric current in what? Choices: - matter - organ - substance - a conductor A:

Ans:a conductor

Ques:Q: The temperature at which all molecular motion has ceased is called what? Choices: - 0 degrees kelvin - stopping point - 0 degrees celcius - absolute zero A:

Ans:
absolute zero