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: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what? Choices: - bisomes - monomes - substrates - biomes A:
biomes

Q: Q: Conservation of what property of ecosystems is the aim of measures like the endangered species act? Choices: - bioremediation - natural selection - Allopatric speciation - biodiversity A:
A: biodiversity

Question: Q: What is the process of making an observation in terms of a numerical scale and recording the value? Choices: - ambient - respiration - graduation - measurement A:
Answer: measurement

*Question*
Q: Light has the properties of both a wave and what else? Choices: - atom - nucleus - electron - particle A:
**Answer**
particle

(Q).
Q: Air is an example of what state of matter? Choices: - solid - liquid - plasma - gas A:
(A).
gas