A city plans to convert all of its electricity sources to solar collectors. This is one part of a new plan to manage the city’s energy resources. How will this plan most likely affect Earth’s systems? a Air pollution in the atmosphere will decrease. b Water used from the hydrosphere will increase. c There will be more mining of fossil fuels from the geosphere. d There will be less food available for animals in the biosphere.

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous