Smita is experimenting with how a paper airplane's shape affects the distance it will fly, Which action is the result of her logical reasoning?
A. She decides to perform the experiment outside on a windy day.
B. She decides to use the same type of paper for each airplane.
C. She records only the data that support her favorite hypothesis.
D. She follows her procedure carefully,

How energy move through ecosystem ?

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells