Which of the following best explains how ecological tourism, such as whale watching, is a biological resource that benefits the environment?

a.) it encourages education and awareness about marine mammals.
b.) the presence of boats keeps predators away from the animals.
c.) tourists bring food to give to the animals.
d.) visitors often remove trash and other debris from the water.

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?