Ques: Q: What is the term for the gas in smog that can damage plants? Choices: - dioxide - carbon - sulphur - ozone A:
Ans: ozone

Ques: Q: What are the two types of fatty acids? Choices: - saturated and biodegradable - saturated and endogenous - hydrochloric and carboxylic - saturated and unsaturated A:
Ans: saturated and unsaturated

Ques: Q: What is the most important way that humans communicate? Choices: - inheritance - painting - instinct - language A:
Ans: language

Ques: Q: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what? Choices: - egg - semen - datum - ovum A:
Ans:
ovum