An animal usually requires a warm body temperature for survival, and warm blooded animals have a constant body temperature. Given these facts, animals usually require what for survival among the following options: - organic molecules - organic material - Fluctuating body temperature. - Ears - food and shelter - Cold blood - Organic compounds - Constant body temperature.
Constant body temperature.

(Question)
When water freezes , that water expands, and water in the rocks pushes out when it freezes thus causing the rocks to break. Given these facts, what does frozen water break among the following options: - lake - ice - crust - sky - rivers - nektar - Weight - rock
(Answer)
rock

Ques: Burning fossil fuels increases the carbon in the atmosphere, and more carbon in the atmosphere means atmospheric warming. Given these facts, what increases when fossil fuels are burned among the following options: - Greenhouse gasses - Greenhouse gases - cancer - wood ash - atmospheric warming - coal - heat energy - Temperature
Ans: atmospheric warming

(Q).
Erosion of soil has a negative impact on the environment, and cattle can cause soil erosion. Given these facts, what can have a negative impact on the environment among the following options: - toxins - trees - Cars - cattle - tar - nutrients - h2o - coal
(A).
cattle

Ques:Contact between rocks over long periods of time causes rocks to smooth, and sandstone, shale, and limestone are sedimentary rocks. Given these facts, what is smoothed by contact over long periods of time among the following options: - shale - earth - eras - Roads - soils - water - clouds - ground

Ans:shale

Ques:Cutting down trees has a negative impact on an ecosystem, and loggers have been careless in where they cut down trees. Given these facts, what has a negative impact on an ecosystem among the following options: - health - Pollution - Pesticides - time - disease - sunlight - loggers - Cars

Ans:
loggers