Q: How many years ago did early amniotes diverge into two groups? Choices: - .175 million years - .416 million years - 20 million years - 320 million years A:
320 million years

Q: What external feature in human beings is responsible for balance? Choices: - tails - brain - hands - ears A:
ears

Q: Q: What is the most widely used form of renewable energy in the world? Choices: - wind - fossil fuel - solar - hydropower A:
A: hydropower

Question: Q: Where do most red algae species live? Choices: - rivers - lakes - seas - oceans A:
Answer: oceans

*Question*
Q: What part of an atom is positive due to the presence of positively charged protons? Choices: - Neutron - Proton - Electron - nucleus A:
**Answer**
nucleus

(Question)
Q: What term describes a colloidal dispersion of a liquid in either a liquid or a solid? Choices: - mix - suspension - compound - emulsion A:
(Answer)
emulsion