Suppose our hypothesis is that "as tigers get older, they have more mass." if another group of scientists claims that this hypothesis is not supported by their data, their data must show that older tigers
a. have less mass
b. have more mass
c. are better hunters
d. are worse hunters

The answer is A.) because group 1 thinks that the tigers has more mass,

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

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