<span>Almost all weather occurs in the lower layer of the atmosphere (the Troposphere), with the exception of large storms like hurricanes or large thunderstorms (whose clouds have great vertical development and reach the Stratosphere.)</span>
Do you have a picture? It would really help answer your question
Each bone has a humerus. The ones that have these bones are humans, lions and birds
The mutation<span> caused by the addition of a nucleotide to an already existing gene sequence is duplication.</span>
Answer:
The main difference between sieve tubes and companion cells is that sieve tubes are the long, narrow, pointed tubes present in the phloem of angiosperms whereas companion cells are attached to the sieve tubes, regulating the activity of sieve tubes.
