Q: Higher temperatures increase the rate of reaction in a lot of chemical reactions because they increase the frequency of what interaction between reactant particles? Choices: - electric - explosions - waves - collisions A:
collisions

Q: Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side? Choices: - earthquakes - air pressure - spin - gravity A:
gravity

Q: Q: Volcanoes are termed active, dormant, or extinct depending on the possibility of the presence of what in chamber structures? Choices: - coal - sulpher - water - magma A:
A: magma

Question: Q: What is necessary for new alleles to be created? Choices: - cross-pollination - new rna - new frequencies - new mutations A:
Answer: new mutations

*Question*
Q: What do cells of dermal tissue secrete? Choices: - moisture - blood - hair - cuticle A:
**Answer**
cuticle

(Question)
Q: Some microorganisms can digest cellulose, breaking it down into what? Choices: - gluclose polymers - fructose polymers - fructose monomers - glucose monomers A:
(Answer)
glucose monomers