Q: In the field of biodiversity, "richness" and "abundance" are used to describe different what? Choices: - nutrients - densities - water sources - species A:
species

Q: Archaeans help break down sewage in waste treatment plants, so they fulfill what important role? Choices: - producers - consumers - pollenation - decomposer A:
decomposer

Q: Q: What type of equations allows calculation of the wavelength of any moving object? Choices: - fluctuations wave - disc wave - develpoment wave - debroglie wave A:
A: debroglie wave

Question: Q: What is used to record seismic waves? Choices: - transmitter - odometer - topometer - seismograph A:
Answer: seismograph

*Question*
Q: Large or small numbers are expressed in scientific notation, which use powers of this? Choices: - 2 - 4 - 16 - 10 A:
**Answer**
10

Q: What is the suns innermost layer called? Choices: - surface - solar - flare - core A:
core