What is the total of all fossil fuels shown in the graph?

How does land development destroy ecosystems? it increases human carrying capacity too rapidly. it converts them into residential or agricultural areas. it forces humans to import non-native plants and animals. it expands the natural range of native wildlife species.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Anton created a chart listing different types of materials. which best complete the chart?