Q: What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions? Choices: - viruses - pests - pathogens - bacteria A:
bacteria

(Question)
Q: Matter can exist either as a pure substance or as a combination of what? Choices: - Different Liquids - much substances - different vapors - different substances A:
(Answer)
different substances

Ques: Q: What units are typically used to measure heats of reaction? Choices: - degrees Celsius - volts - kilobytes - kilojoules A:
Ans: kilojoules

(Q).
Q: Ionic, molecular, covalent, and metallic are major types of what state of matter? Choices: - gas - liquid - plasma - solids A:
(A).
solids

Ques:Q: Cells that undergo cell division continue to have their telomeres shortened, thus telomere shortening is associated with what life process? Choices: - metabolism - reducing - reproduction - aging A:

Ans:aging

Ques:Q: What is the process by which some solids transition directly into gases? Choices: - articulation - vaporization - amplification - sublimation A:

Ans:
sublimation