Q: What is the layman's term for mammals raising their hair with tiny muscles in the skin, something that is automatic in humans sensing cold? Choices: - spine tingling - follicles - hypothermia - goosebumps A:
goosebumps

Q: What are the male gametes called? Choices: - cytoplasm - pollen - urea - sperm A:
sperm

Q: Q: Another major cause of extinction is global warming , which is also known as? Choices: - sudden climate change - rapid climate change - regional climate change - global climate change A:
A: global climate change

Question: Q: Changing electric and mnagnetic fields radiate outward when? Choices: - particles lose their charge - particles multiply - firing particles accelerate - charged particles accelerate A:
Answer: charged particles accelerate

*Question*
Q: Sodium is an example of what sort of thing that cannot exist by itself in nature? Choices: - concept - compound - aspect - element A:
**Answer**
element

(Q).
Q: A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what? Choices: - Up and down - Bakward and forward - Grinding - side-to-side movement A:
(A).
side-to-side movement