Answer: a
Explanation: because even if it was mixed it was still able to be removed by the magnet
B. the addition of one phosphate group
I'm pretty sure the answer is atmosphere, hope this helps!
Plants add water to the atmosphere through transpiration. Transpiration is the process of water moving through plants and evaporating, becoming water vapor. This water vapor is released into the atmosphere.
True.
tension force is an example of contact force.
for example: if a ball is suspended by a string on a rigid support, a force is experienced by the string: tension in the string.
