An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m. Lying generally between the foot of a continental rise and a mid-ocean ridge, abyssal plains cover more than 50% of the Earth’s surface.
300
When someone cooks with a pot, the lid clouds up. Why is that?
The liquids, or solids, melt and turns into steam. The steam clouds the glass lid.
300
What is weathering and erosion?
Weathering is the breaking down of rock by weather, chemicals, roots etc.
Erosion is the carrying away of rock and soil by wind and water.
400
A red rose is red because it ____ red light.
reflects
400
what is the difference between archae-bacteria and eubacteria?
Archaebacteria are composed of single-celled organisms lacking organelles or a nucleus. Eubacteria are composed of true bacteria or prokaryotic single cellular microorganisms.
400
What are the inner and outer cores made out of?
The inner core is made of solid nickel and iron. The outer core is made of liquid nickel and iron.
400
The basic parts of an atom are ____, _____, and ____.
protons, neutrons, and electrons.
400
What is the last organism on the food chain?
decomposer
500
When you look at the inside of a spoon, the reflection is upside down. Why is that?
The inside of the spoon acts as a concave lens, flipping the image around and stretching it.