Q: Which type of electrons plays the most important role in chemical reactions? Choices: - noncovalent - intermediate - transition - valence A:
valence

Q: An electric current flows in a path called what? Choices: - electric ring - electric course - fuse - electric circuit A:
electric circuit

Q: Q: All gymnosperm species and many eudicot species undergo what? Choices: - exploitation - mutations - third growth - secondary growth A:
A: secondary growth

Question: Q: In flowering plants, male gametophytes are in grains of what? Choices: - viruses - bacteria - nitrogen - pollen A:
Answer: pollen

*Question*
Q: What do plants lose the most of through the stomata? Choices: - energy - chlorophyll - heat - water A:
**Answer**
water

*Question*
Q: What is the process in which a layer of a second metal is deposited on the metal electrode that acts as the cathode during electrolysis? Choices: - casting - cold fusion - distillation - electroplating A:
**Answer**
electroplating