Two safety features found in most laboratories are a safety shower and a safety fountain with two water jets . what is the main purpose of the safety fountain ?

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.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

On his trip to the galapagos islands, darwin determined that animals on the islands