Ques: Q: What happens to the level of relative humidity in the evening as air temperature declines? Choices: - it goes up and down - it falls - nothing - it rises A:
Ans: it rises

Ques: Q: The total energy assimilated by an ecosystem in a give period is known as what? Choices: - size primary production - median primary production - mean primary production - gross primary production A:
Ans: gross primary production

Ques: Q: How does burning matter affect its mass? Choices: - the mass quadruples - the mass increases - the mass decreases - the mass remains the same A:
Ans: the mass remains the same

Ques: Q: What are chromosomes in the same pair called? Choices: - homogeneous chromosomes - regulated chromosomes - reversible chromosomes - homologous chromosomes A:
Ans:
homologous chromosomes