True. Annelids are true coelomates, as they have a muscular system lining their body cavity.
The best volume of water to use in group c is ocean
Explanation:
Gravitational potential energy = mgh, where m is the mass of the mountain climber, g is the gravitational force and h is the height from the base.
Since m and g are constants, the climber's potential energy will be the lowest when he's at the end of the climb, at the base of the mountain. (B)
D, active transport because that protein uses atp to cross channels and active transportation is the only form of movement that’s used atp to move
