Q: The formation of an amalgam allows the metal to react with what? Choices: - helium and oxygen - cloth and plastic - blood and sweat - air and water A:
air and water

(Question)
Q: What is required when electrons are removed from an atom, and released from the process when an electron is added? Choices: - nuclear - proton - fuel - energy A:
(Answer)
energy

Ques: Q: What kind of waves are electromagnetic waves? Choices: - amplitude - curved - inverse - transverse A:
Ans: transverse

(Q).
Q: What does the heat energy affect in the atmosphere? Choices: - gravity and precipitation - erosion and condensation - density and humidity - winds and weather A:
(A).
winds and weather

Ques:Q: The anterior half of the foot is formed by the five what type of bones? Choices: - malignancy bones - conidia bones - conidia bones - metatarsal bones A:

Ans:metatarsal bones

Q: Gene duplications that are able to persist over many generations without causing too much harm to an organism or species can lead to what? Choices: - characteristics - parasites - permutations - mutations A:
mutations