I believe its the first one
There ar 5 in nitrogen, 20 in hydrogen, and 5 in chlorine. In all that’s 30 compounds.
Answer:
The substance moves from low to high concentration, against the concentration gradient.
Explanation:
When molecules move from high to low concentration, it is known as Diffusion. It moves with the concentration gradient and does not require energy.
However, when molecules move from low to high concentration, it is against the concentration gradient and cannot proceed without Energy. This process is called Active transport.
Cell membrane is not thick, it is thin and semi permeable.
Answer:
its ik bc i looked it up its number d
Answer:
air temperature, air pressure, humidity of the air, amount and kind of cloud cover, amount and kind of precipitation, and speed and direction of the wind.
