The water cycle stores water
only in ponds
everywhere
only in the air
only underground

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.