Ques:Q: The simplest class of organic compounds is the what? Choices: - particles - Phenols - gas - hydrocarbons A:

Ans:hydrocarbons
-----
Ques:Q: What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called? Choices: - loam - sand - sediment - soil A:

Ans:soil
-----
Ques:Q: When we move down a group of elements on the periodic table, what happens to their electronegativity? Choices: - it increases - it stays the same - it doubles - it decreases A:

Ans:it decreases
-----
Ques:Q: Which plant group has vascular tissue, seeds, and flowers? Choices: - microbes - fungi - spores - angiosperms A:

Ans:
angiosperms
-----