X-rays were discovered by accident (by Wilhelm Rontgen).
The answer is C. The symbiotic relationship has evolved for so many years such that the two are obligate symbiotes and cannot function normally without the other. Chloroplast and mitochondria are believed to have been once free-living bacteria according to endosymbiosis theory.
Answer:
Explanation:
Lenticels ( tiny openings in the stem of plants through which gases are exchanged and water molecules in form of vapor escapes from the plant into the atmosphere)
I think personally it looks fine.
Transpiration-Plants put water back into the atmosphere through the process of transpiration.
Water is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is evaporation of water from plant leaves. (From Usatestprep)
