Joel has a terrarium. The terrarium is a sealed container with both plants and animals. Inside the container, the plants and animals grow and reproduce. From time to time, Joel places the terrarium on a balance and always gets the same reading, 1525.3 grams. This is evidence that best supports which of the following laws of living systems?

A. A Law of thermodynamics
B. B Law of conservation of energy
C. C Law of motion
D. D Law of conservation of mass

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

What occupation did muhammad have before the first revelation

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature