The pH scale measures the concentration of how acidic or basic something is. The lower the number below 7, is acidic. Above 7 is basic. 7 is waters purest form.
Answer:
C. how close earth is to the sun
Generation of ATP. Hope it helps.
Drinking through a straw shows fluid flowing from high pressure to low pressure in 2 ways. The first is how it shows high pressure as you stuck on the straw. This increases the pressure and brings the fluid to your mouth. If this pressure is kept you can successfully pick up the straw filled with water and have none come out. This demonstrates low pressure when you stop ducking and the fluid falls back down the straw into your cup.
The answer is B. Females have two X chromosomes
Just so you know...
Males have one X and one Y
Hope this helped!
~Just a girl in love with Shawn Mendes
