Two billiard balls having the same mass roll toward each other, each moving at the same speed. What is the combined momentum of the two balls?

A) 0 kg ? m/s
B) 10 kg ? m/s
C) more information needed to determine


A

Environmental & Atmospheric Sciences

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Some students on a biology field trip were sitting around watching honeybees. Some of the students noticed that bees spent more time on some flowers than on other flowers. As they talked about this behavior, the students offered various explanations

Some thought that the bees were avoiding predators on some flowers, while other students suggested that some flowers may have sweeter nectar. These speculations about bee behavior are examples of ________. A) data B) bias C) hypotheses D) theories

Environmental & Atmospheric Sciences

The Atacama Desert in western South America is created by ________.

A. cold ocean currents B. being a great distance from the ocean C. a rain show effect D. descending dry air

Environmental & Atmospheric Sciences

What method of hunting do Arctic foxes use?

What will be an ideal response?

Environmental & Atmospheric Sciences

Natural selection refers to the survival of organisms that are best adapted to their environment. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences