Ques: Q: What is a pure substance that cannot be separated into any other substances called? Choices: - light - Cells - Spears - element A:
Ans: element

Ques: Q: What is the position of rock layers and the relative ages called? Choices: - diffraction - metamorphism - bifurcation - superposition A:
Ans: superposition

Ques: Q: What is the major intracellular cation? Choices: - magnesium - sodium - glucose - potassium A:
Ans: potassium

Ques: Q: Plant-like protists are called what? Choices: - bacterium - sponge - yeasts - algae A:
Ans:
algae