The SA node, the cardiac center in the medulla oblongata, and the endocrine system
Answer:
Plants add water to the atmosphere
Explanation:
Answer:

Explanation:
The first step in this reaction is the<u> converstion from Kg</u> of
<u>to</u> <u>grams</u> of
.


Then we can calculate the <u>percentage</u> of
in the sample:


A only gets out some of it but not all
C that isn't for alcaholl
D I don't think that even exists
B is the only correct answer
Answer: Morse code and Braille use representations to form messages.
Explanation:
- they both have military roots.
-also a similarity is that braille letters are made of 1 to 6 dots, and Morse code is also made of 1 to 6 dots and dashes
-