Are those new double-pane windows better at keeping my house at the right temperature? What is your Hypothesis, Independent Variable, Dependent Variable, and Controlled Variables(multiple)?

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

20 how are energy cycles and growth cycles related?

Brendan made a diagram to compare and contrast the benefits of two types of social behavior. which description belongs in the area marked "z"? reproductionprotectionforaginghydrodynamic efficiency