The nervous system helps all the parts of the body to communicate with each other. It also reacts to changes both outside and inside the body. The nervous system uses both electrical and chemical means to send and receive messages

Explanation:

8 0

2 years ago

Which of the following are the inputs needed for photosynthesis? Choose the three correct answers.

LiRa [457]

A, C, D are the answers

4 0

3 years ago

How many significant figures are in these numbers

jenyasd209 [6]

Answer:

Explanation:

a significant number is a non zero number or exponent or a zero between numbers

8 0

2 years ago

12579 nm rounded to 3 significant figures is

makkiz [27]

$\\ \sf\longmapsto 12579nm$

$\\ \sf\longmapsto 12579\times 10^{-9}m$

$\\ \sf\longmapsto 1257.9\times 10^{-8}m$

$\\ \sf\longmapsto 12.5\times 10^{-6}m$

$\\ \sf\longmapsto 12.5\mu m$

5 0

2 years ago

Read 2 more answers