Ultra violet light
The sun radiates UV waves to the earth and the earths atmosphere absorbs most of them.
5CO2 should be in the blank spot.
the reaction would be 7
You are testing which fertilizer makes the radishes grow the fastest.
factors you should control: sunlight exposure, water amount, fertilizer amount.
Measure: check the rows of radishes to see how much each row has grown in comparison to the others. Whichever row with the healthiest radishes has the best fertilizer.
Answer:
false.
Explanation:
the smallest particle of a element is an atom
