Answer:
Plants use photosynthesis to make glucose. Glucose is also know as sugar. You can tell it is present if the plant receives sunlight as well as water.
Explanation:
MARK BRAINLIEST
The density does not change because it is still the same liquid as before
Answer:
no
Explanation:
it is a molecular formula that represents the number atoms and type of atoms
When you use exponents, think of it like this. 1 squared is 1 x 1. 1 cubed is 1 x 1 x 1. And 1 to the power of 4 is 1 x 1 x 1 x 1. And so on. You basically just multiply them by themselves. 0 to the power of any exponent is 1, well that's just a rule. It doesn't make much sense but it's easy to remember and I wouldn't worry about it.
Ca, V, Cu, Kr
Remember a period is a the horizontal rows in the Periodic Table.