Q: New seafloor forms when what object cools? Choices: - ash - debris - rain - lava A:
lava

(Question)
Q: What molecule is made of two hydrogen atoms and one oxygen atom? Choices: - Oxygen - carbohydrate - lipids - water A:
(Answer)
water

Ques: Q: What is at the surface of a cell, arranged in similar bilayer? Choices: - fats - eukaryotes - pigments - phospholipids A:
Ans: phospholipids

(Q).
Q: What does the triploid cell develop into during fertilization? Choices: - membrane - tubers - zygote - endosperm A:
(A).
endosperm

Ques:Q: The cell wall of plants is made up of a complex carbohydrate that is a polymer of what sugar? Choices: - sucrose - insulin - fructose - glucose A:

Ans:glucose

Q: What descend from clouds in funnel-like shapes that spin violently, producing powerful winds? Choices: - currents - rains - hurricanes - tornadoes A:
tornadoes