Answer:
D.
The concentration of reactants and the concentration of products are constant.
Explanation:
pls mark as brainliest
Answer:
sugar and salt, as they can dissolve in water. Sugar and salt have a high solubility in water. So, sugar and salt can form a solution with water.
Explanation:
Because the moon orbits the earth and when the moon gets in front of the sun it blocks the sunlight and then it becomes night
That photon's energy is equal to Planck 's constant, multiplied by the light frequency, h is always 6.63* 10^ -34 Joule seconds and the frequency is 6* 10^ 14 Hz.
The variable that stays the same in an experiment is called the controlled variable
Hope this helps
