The sun sends out enormous amounts of energy . solar energy is produced through nuclear reactions in the sun’s core . once this energy reaches the solar surface, it takes only 8 minutes , traveling at a speed of 300,000 km/s, to reach earth. what evidence can you provide that energy from the sun actually reaches earth’s surface? write or illustrate your ideas in the space below. (it’s due tomorrow )

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

може ли да зареждате повече информация, моля