Q: What is the method of reproduction for echinoderms? Choices: - pollination - internal fertilization - fragmentation - external fertilization A:
external fertilization

Q: Do bacteria sexually reproduce? Choices: - sometimes - yes - they don't reproduce - no A:
no

Q: Q: Which reaction between alkyl halides and ammonia makes alkylamines? Choices: - nitrogen catabolism - conductive substitution reactions - nucleophobic reactions - nucleophilic substitution reactions A:
A: nucleophilic substitution reactions

Question: Q: What state of matter completes the list: solid, liquid, gas? Choices: - energy - ice - power - plasma A:
Answer: plasma

*Question*
Q: What type of minerals form when salt water evaporates? Choices: - sulfide - carbonate - fermite - halide A:
**Answer**
halide

*Question*
Q: What happens to meteors as they fall through the mesosphere? Choices: - they grow - they bounce - they stop suddenly - they burn A:
**Answer**
they burn