If gravity pulls objects towards Earth, then what pulls objects towards Earth? Answer choices: - gravitating - wind - forces - gravitational waves - gravity - radio waves - heat - rivers
gravity
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If something that has twelve genes is the ability to sense pressure, then how many genes are needed for the ability to sense pressure? Answer choices: - DNA - two - UV - 12 - RNA - 8 - Eye - p53
12
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If ozone depletion causes worldwide temperature increases, then ozone depletion causes worldwide temperature what? Answer choices: - threatened - Dehydration - lessening - decreases - increases - minimization - cycles - Pollution
increases
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If dogs require stamina to succeed at physical activities, then what requires stamina to succeed at physical activities? Answer choices: - humans - hawks - dogs - plants - oxygen - tigers - gases - Birds
dogs
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