As the sun moves throughout the day, some plants can follow it. this is called solar flexing solar tracking solar watching

Solar tracking

Explanation:

Many plants have the ability to move during the day and stay oriented towards the sun's rays. This phenomenon is called solar tracking.

One of the best known plants for solar tracking is the sunflower, which while the sun moves, so does the sunflower so that its petals remain perpendicular to the sun's rays.

Solar tracking is also used in different systems, such as solar cells  to get greater efficiency.

carbon

explanation:

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.