Q: What is the upper most level of earth's layers called? Choices: - surface - volcanic - mantle - crust A:
crust

(Question)
Q: The water cycle is powered by energy from where? Choices: - atmosphere - earth - living things - sun A:
(Answer)
sun

Ques: Q: What were the electrons initially called? Choices: - gamma rays - plasma rays - polymer rays - cathode rays A:
Ans: cathode rays

(Q).
Q: What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus? Choices: - t cell - a cytoplasm - a filament - a zygote A:
(A).
a zygote

Ques:Q: Spirals, spheres, and rods are examples of what distinguishing property of bacteria? Choices: - function - color - organ - shape A:

Ans:shape

Q: What theory can explain virtually all the properties of metals? Choices: - property law theory - formation theory - bonding theory - band theory A:
band theory