The next phase of the carbon cycle for the carbon source labeled A is fossil fuel emissions.
Photosynthesis occurs in plants, so this isn't the right answer. Ocean storage is in the ocean. Transpiration also has to do with plants.
mutation is a change that occurs in our DNA sequence.some mutation has a positive effect on organisms in which they occur, they are also called beneficial mutation. such causes a body to produce certain proteins which are helpful in for organism to adapt to changes in environment.
1. Naked Seeds, Gymnosperm means 'naked seed' and these were the earliest trees to evolve. They do not produce flowers and have seeds which are directly exposed to the air for wind pollination. Pine cones are one example. For ease you might think of the gymnosperms as conifers, such as yew and Scots pine.