18. which of the following must be balanced for a portion of the lithosphere to reach isostatic equilibrium?
a. the densities of the lithosphere and the asthenosphere
b. the compressive forces of two converging plates
c. the buoyant force from the asthenosphere and gravity
d. the isostatic uplift and the crustal rebound

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Which of the following is not a potential result of deforestation?

In 2015, about ten percent of total u. s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power