It should be 50% and 25%.
The answer is a simple radial nervous system.
Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.
9 is letter d and 10 is a
Answer:
One or two molecules can make up simple carbohydrates
Solvents are dissolved in a solute to create a solution. Some examples are sugar solutions, where sugar is the solvent, water is the solute, and the solution is the sugar water that results, as long as the sugar is dissolved evenly in the water.
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