Q: Some hormones produced by the anterior pituitary regulate the production of hormones by other tissues belonging to what system? Choices: - nervous - digestive - cardiovascular - endocrine A:
endocrine

(Question)
Q: What keeps the earth orbiting the sun? Choices: - strong nuclear force - magnetic force - weak nuclear force - gravity A:
(Answer)
gravity

Ques: Q: What forms when nitrogen and oxygen combine at high temperatures? Choices: - oxygen oxide - ammonia oxide - carbon dioxide - nitrogen oxide A:
Ans: nitrogen oxide

(Q).
Q: On a hot, dry day, plants close their stomata to conserve what? Choices: - sunlight - air - cold - water A:
(A).
water

Ques:Q: All organisms must adapt to what in order to survive? Choices: - natural - weather - conditions - environment A:

Ans:environment

Q: Visible light is part of what spectrum? Choices: - mechanical spectrum - eclipse spectrum - molecular spectrum - electromagnetic spectrum A:
electromagnetic spectrum