Answer:
The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental. Oceanic crust is denser and thinner and mainly composed of basalt. The inner core is made from Iron and Nickel.
Explanation:
"The half of the Moon that points toward the Sun looks bright because it is lit by sunlight. The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. ... As it moves around Earth, more and more of the lit side comes into view."
Answer:
Capillaries pass oxygen and waste between blood and cells.
Explanation:
1.With human to human contact.
2.By putting germs in your mouth.
3.Mouth to Mouth contacts.
4.By having someone cough on you.
Answer:
Good examples include cyanobacteria and green and purple sulfur bacteria. Producers are organisms that are capable of producing their own food using water, light and other chemicals. They are also known as autotrophs.
Explanation:
