Q: What kind of charge do electrons have? Choices: - effective - unusual - positive - negative A:
negative

(Question)
Q: Through what do plants move enormous amounts of water from the soil to the atmosphere? Choices: - perspiration - evaporation - respiration - transpiration A:
(Answer)
transpiration

Ques: Q: What must people with type 1 and type 2 diabetes frequently check? Choices: - blood plasma levels - muscle glucose levels - blood density levels - blood glucose levels A:
Ans: blood glucose levels

(Q).
Q: What is the most electron-pair bonds a nitrogen atom can participate in? Choices: - seven - five - three - four A:
(A).
four

Ques:Q: What is the most common cause of lung cancer? Choices: - coal smoke exposure - restaurant smoke exposure - tree smoke exposure - tobacco smoke exposure A:

Ans:tobacco smoke exposure

Q: In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose? Choices: - speed - long lifespan - mating - flight A:
flight