Over millions of years, coal formed from decayed plants that grew in hot, moist climates. Today, coal is found in northern regions such as Europe and North America. Why is coal now found where the climate is cool?

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.

Wich organism obtains its energy from dead or decaying matter

Vessels draining the myocardium of the heart, open primarily ,into which chamber?