Q: Transferring what from sodium to chlorine decreases the radius of sodium by about 50%? Choices: - quark - proton - neutron - electron A:
electron

Q: Collagen fibers, elastic fibers, and reticular fibers comprise what type of tissue? Choices: - nucleus tissue - intestine tissue - skin tissue - connective tissue A:
connective tissue

Q: Q: Microwaves are converted into what kind of energy in a microwave oven? Choices: - solar energy - mechanical energy - light energy - thermal energy A:
A: thermal energy

Question: Q: What 2 things keep polar bears warm in their arctic ecosystem? Choices: - hibernation, thick fur - colourful fur , blubber - camouflage, blubber - thick fur, blubber A:
Answer: thick fur, blubber

*Question*
Q: What causes acid rain, ozone depletion, and global warming? Choices: - ozone layer - water pollution - radiation - air pollution A:
**Answer**
air pollution

(Question)
Q: What is the arch called that forms when plasma of the sun flows along the loop that connects sunspots? Choices: - Energy prominence. - vertical prominence - large prominence - solar prominence A:
(Answer)
solar prominence