Q: What is the measure of the energy released when an extra electron is added to an atom? Choices: - mass affinity - neutron affinity - volume affinity - electron affinity A:
electron affinity

(Question)
Q: A spontaneous change process called neutrino oscillations can occur only if neutrinos have what property? Choices: - velocity - temperature - color - mass A:
(Answer)
mass

Ques: Q: What causes a lot of geological activity on the earth? Choices: - landslides - weather - natural selection - plate tectonics A:
Ans: plate tectonics

(Q).
Q: What do you call catalysts that are found inside of living things? Choices: - proteins - fibres - hormones - enzymes A:
(A).
enzymes

Ques:Q: What state occurs when the amount of solute dissolved exceeds the solubility? Choices: - polymerisation - density - alkalinity - supersaturation A:

Ans:supersaturation

Ques:Q: What begins when a neuron receives a chemical stimulus? Choices: - a induce impulse - a metabolism impulse - nerve reaction - a nerve impulse A:

Ans:
a nerve impulse