Fact 1: Riding a bike does not cause pollution. Fact 2: City employees use bicycles on the job to save energy and reduce air pollution. Given the two facts above, answer the question "Riding a bike reduces what?" with the following options: - energy usage - Greenhouse gasses - acid rain - harmful substances - Greenhouse gases - temperature - prolactin release - storms
energy usage

(Question)
Fact 1: The color of leaves on deciduous trees usually changes in the autumn season. Fact 2: Autumn is a season of transistion as the warm summer days fade giving way to cooler weather. Given the two facts above, answer the question "During what time frame do deciduous trees' leaves change color?" with the following options: - summer end - dry and hot - summer start - barrel-shaped - dry conditions - winter - after winter - climate
(Answer)
summer end

Ques: Fact 1: Plant reproduction often requires pollen. Fact 2: Bees are usually required for effective pollen transfer. Given the two facts above, answer the question "what does plant reproduction often require?" with the following options: - DNA - global warming - energy - droughts - seeds - bees - food - legumes
Ans: bees

(Q).
Fact 1: Ethologists usually study how animals behave in their natural environment. Fact 2: Students take a field trip to an ecosystem to observe the homes of animals in natural habitats. Given the two facts above, answer the question "Ethologists usually study how animals do what in an ecosystem?" with the following options: - raising their temperature - retaining heat - reducing acid rain - protect plants - share properties - behave in their homes - storing water - Generating heat
(A).
behave in their homes

Ques:Fact 1: Sweat is used for adjusting to hot temperatures by some animals. Fact 2: Perspiration is produced by sweat glands in the skin and is secreted through pores. Given the two facts above, answer the question "What is used for adjusting to hot temperatures by some animals?" with the following options: - secretion - autoregulation - evaporation - hibernation - hormones - hydration - perspiration - Pituitary gland

Ans:perspiration

Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: If an object has weight it necessarily has mass. Given the two facts above, answer the question "What aspect of an bject causes the gravitational force exerted by that object?" with the following options: - atmosphere - kinetic - motion - two - barrel - shape - TRH - weight
weight