Answer:
3rd option is false
Explanation:
Everything that is natural comes from Earth, For example, fruits, trees, rocks, dirt, etc.
hope this helps.
Chemical bonds are bonds that join atoms and hold them together enabling them to form different compunds and molecules. There are different types of bonds (single, double, triple, covalent) which form depending on the atoms that are being attracted and depending on their attraction.
An example can be the hydrogen bonds that form in water molecules joing hydrogen atoms to oxygen atoms, as shown in the image below.
Hope it helped,
BioTeacher101
Answer:
Explanation:
Humidity is the measure of the amount of water vapor in the air.
Areas with a large amount of surface water have high humidity levels.
.Warm tropical areas have very humid air.
Answer:
Chitin
Explanation:
This glucose derivative is in fact the main building block of cell walls in not only arthropods (including the shrimp), but also fungi and insects, and also has a structural function in the scales of fish. The most similar commonly-known substance in terms of function is keratin, which makes up our hair and nails.
