Answer:
Edwin Hubble discovered that the universe was expanding. he used his known 100 inch telescope to discover that our milky way was one of many galaxies. that these galaxies are part of an ever expanding universe. This discovery changed the way we and scientists look at the universe
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..
Chlorophyll is found in
C. the thylakoid membrane
Chlorophyll is what makes a leaf green and what absorbs the sun's light to make energy for the plant.
Hope this helps :)
The blood is filtered at a high pressure and the kidney selectively reabsorbs any useful materials such as glucose, mineral ions and water. After it has been purified, the blood returns to the circulatory system through the renal vein. The kidneys produce urine and this helps maintain water balance.
I believe the correct one is the 2nd option .