Q: The majoirty of modern gymnosperms belong to what group, which includes pine trees? Choices: - stems - Pinophytes - clusters - conifers A:
conifers

(Question)
Q: What system includes lymph organs, lymph vessels, lymph, and lymph nodes? Choices: - nervous - immature - digestion - immune A:
(Answer)
immune

Ques: Q: What is the basic unit of an organism called? Choices: - electron - singularity - particle - cell A:
Ans: cell

(Q).
Q: Metal detectors used for airport security work on which principle? Choices: - electricity - inertia - conductivity - inductance A:
(A).
inductance

Ques:Q: The colorless, odorless gas released when we breath is carbon dioxide. the harmful colorless, odorless gas released when matter is burned is what? Choices: - carbon trioxide - methane - acid monoxide - carbon monoxide A:

Ans:carbon monoxide

Ques: Q: Which type of glaciers form in high mountains and travel through valleys? Choices: - rocky glaciers - altitude glaciers - seaside glaciers - alpine glaciers A:
Ans:
alpine glaciers