1. Humans use rural, urban, and natural land for recreation. A. True
B. False

2.The Industrial Revolution came about with the invention of machines and the discovery of natural resources.

A. True
B. False

3. Switching from agriculture to industry would decrease the amount of urban land and increase natural and rural land.

A. True
B. False

Which system revise and send electrical signals throughout the body

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport