Answer:
A. light energy is used in photosynthesis and created by respiration
I have done this question before and even though you didn’t provide the options. I think the correct option is elements
Answer:
Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. ... When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material. At the center, gravity pulled more and more material in.
Explanation:
When the solar system was very young, the sun was just being formed and planets had not yet been made. The solar system was mostly gas and dust.
in conclution its d
Planets formed from small amounts of debris that were attracted together because of gravity.
Answer:
Car oil and vegetable oil will mix well with gasoline
Car oil and vegetable oil will not mix with water.
Explanation:
Car oil and vegetable oil will mix well with gasoline
Car oil and vegetable oil will not mix with water.
This is because of the rule of solubility. According to this rule, like substances will only dissolve like substances. In essence, a polar compound will only dissolve another polar compound. A non-polar compound will dissolve only in a non-polar solvent.
Water is polar and oil is non-polar. The cannot mix.
Gasoline is non-polar and will dissolve oil which is also non-polar .
The second one is more concentrated as they both times with the same thing but the second one (1.5) is bigger
