Q: What forms when a sperm fertilizes and egg? Choices: - crystals - cytoplasm - proton - zygote A:
zygote

Q: Water plus other substances makes what? Choices: - oil - mixture - element - solution A:
solution

Q: Q: What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water? Choices: - chloroplasm - stem - root - wall A:
A: wall

Question: Q: What do you call a growing mass of cancerous cells that pushes into nearby tissues? Choices: - bacteria - pallet - calcium - tumor A:
Answer: tumor

*Question*
Q: A recent deadly explosion in the gulf of mexico exemplified what source of ocean pollution? Choices: - greenhouse gases - fracking disaster - algal bloom - oil spill A:
**Answer**
oil spill

Q: A colloid is a homogeneous mixture with medium-sized what? Choices: - atoms - solutions - molecules - particles A:
particles