Answer:
as low as possible and using scanning objective (4x). ... then low power, you won't be able to focus anything under high power.
Answer:
Isaac Newton
Explanation:
Isaac Newton discovered that white light is a spectrum of seven colour rays.
Cohesion.
Water molecules tend to stick to each other; once a few molecules are drawn up through the filter paper, more molecules will follow.
Answer:
Photosynthetic organisms were making oxygen, but it reacted with the iron dissolved in seawater to form iron oxide minerals on the ocean floor, creating banded iron formations. ... The oxygen that is now in the Earth's atmosphere was not there at the beginning.
Explanation:
