Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes

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.

What types of energy transfers and energy transportations are involved in the domino chain reaction?

When plants use sunlight to make food, the energy of sunlight is