Q: A period is a horizontal row of the what? Choices: - cycles table - phases table - species table - periodic table A:
periodic table

(Question)
Q: Plants can absorb inorganic nutrients and water through their root system, and what gas from the environment? Choices: - hydrogen dioxide - nitrogen dioxide - chemical dioxide - carbon dioxide A:
(Answer)
carbon dioxide

Ques: Q: What are plants that grow where people don't want them to and can take up space and use resources which hinders growth of more desirable plants? Choices: - native plants - shrubs - grasses - weeds A:
Ans: weeds

(Q).
Q: Double strands of what wrap around histone proteins to form nucleosomes, which are coiled into a chromatin fiber? Choices: - bacteria - ribosomes - chromatids - dna A:
(A).
dna

Ques:Q: Bacterial dna is contained in one circular chromosome, located where? Choices: - neuron - mucus - cerebellum - cytoplasm A:

Ans:cytoplasm

Q: What are people called that choose to study science? Choices: - engineers - lab technicians - doctors - scientists A:
scientists