I think it’s C. Marshmallow and toothpicks are used to show the composition of a water molecule
Answer:
B
Explanation:
for the motion every night, it is because the Earth spins on its axis.
for the changes over a year, this is because the Earth rotates around the sun.
for the changes over hundreds, thousands or millions of years, this is because the whole solar system (including the Earth, of course) rotates with all the other stars in our galaxy around the center of the galaxy. and each star system has its own orbit (similar to the planets in our solar system).
it is very rare to see objects outside of our galaxy without a telescope, but they change too over a long period of time, because our galaxy not only rotates by also moves through the universe, and these other objects move on their own too.
B) lever and pulley is the answer
Answer:
95 calories
Explanation:
A medium-sized apple has only 95 calories but plenty of water and fiber.
Reactants
C8H18
O2
Products
CO2
H2O
