False because gravity must be acting upon it. :)
Answer:
C: 4
Explanation:
In every single covalent bond, each atom shares one electron. 1 + 1 = 2. A double bond is just two bonds so, 2 x 2 = 4.
Yes, you would add the two masses together.
The main driving force for the filtering process, or outward pressure is the blood pressure as it enters the glomerulus.
The answer is B. Precipitation