Answer:
b. forest ....
I think ansesters also lived in forest by wearing leaves like their clothes .... etc
20 calories equals to 8.368 joules.
4.184 J is needed to raise 1 gram of water.(Heat capacity of water)
for 2 grams of water 8.368 joules.
So the answer is 16 c.
1. An ionic bond is an attraction between oppositely charged ions. A covalent bond is sharing of electrons between atoms.
2. A bond between two atoms
3. covalent bond
4. They have different properties because the arrangement of atoms is different.
5. Mutual attraction between the nuclei and electrons in two different atoms
A mole is defined to be like particales of a substance
Answer:
carbon dioxide
Explanation:
it is used in photosynthesis