Answer:
I don't know what you said
Explanation:
Hello there,
False. <span>The British bacteriologist </span>Almroth Edward Wright<span> first developed an effective typhoid vaccine at the Army Medical School in Netley, Hampshire.
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Answer:
A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.
The chloroplasts carry out photosynthesis
