Q: More than half of all known organisms are what? Choices: - mammals - enzymes - spiders - insects A:
insects

(Question)
Q: What occurs when a gas passes through an opening that is smaller than the mean free path of the particles? Choices: - precipitation - malformation - dissipation - effusion A:
(Answer)
effusion

Ques: Q: What do we call the theory of electromagnetism on the particle scale? Choices: - iron electrodynamics - light electrodynamics - gravity electrodynamics - quantum electrodynamics A:
Ans: quantum electrodynamics

(Q).
Q: Hormones vary widely in molecular size and type as well as? Choices: - simple regulators - strange regulators - foreign regulators - local regulators A:
(A).
local regulators

Ques:Q: What is the main ingredient of mothballs? Choices: - stable naphthalene - processed naphthalene - ionized naphthalene - hydrocarbon naphthalene A:

Ans:hydrocarbon naphthalene

Q: A virus is essentially dna or rna surrounded by a coat of what? Choices: - acids - paint - organism - protein A:
protein