Answer:
The xylem vessels and the phloem sieve tubes are connected end to end to transport the water and the food respectively to long distances in a plant. Their end plates are perforated to allow the easy passage of substances from one vessel and the sieve tubes.
Answer:
because both are same words
Explanation:
Hello!
The answer is:
A mutation is a malfunction in the bodies DNA. Mutations are caused by either an error in the DNA stream, or self harming habits, like smoking, can cause mutations.
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It contains 4 key elements carbon, hydrogen, oxygen and Nitrogen. so your answer is nitrogen
