Q: The sun's heat can also be trapped in your home by using south facing windows and good what? Choices: - floors - vegetation - curtains - insulation A:
insulation

(Question)
Q: Oil is found in the porous rock layer and trapped by the what? Choices: - \ - crystalline layer - mantle - impermeable layer A:
(Answer)
impermeable layer

Ques: Q: What are the primary producers in the ocean? Choices: - fish - zooplankton - algea - phytoplankton A:
Ans: phytoplankton

(Q).
Q: Oncogenes are involved in the formation of what disease? Choices: - autoimmune disease - heart disease - colds - cancer A:
(A).
cancer

Ques:Q: Naphthalens is a chemical which is commonly used in what? Choices: - shampoo - fertilizers - inhalers - mothballs A:

Ans:mothballs

Q: What instrument has a resolution many times greater than a light microscope, and can be used to see the details on the outside of a cell? Choices: - complex microscope - element microscope - molecular microscope - electron microscope A:
electron microscope