False because light can come from natural resources and it doesn’t need materials it just needs to produce itself
Jet airplanes take up a lot of fuel and money. Not only are they burning fossil fuels quickly, but they're also being flown on a basis. Planes are sent out constantly, and the amount of carbon it releases into the atmosphere is incredibly dangerous.
Answer:
- It has a vital role. It is the only way out of the optic nerve. By this hole optic nerve exits from the eye and goes towards the brain.
- It can be proved by a simple experiment. A paper sheet is taken. Then a cross and a circle are drawn side by side on that paper. Then we will focus on the cross. Then by closing one eye and by bringing the paper slowly towards our face, the circle will be disappeared at a certain point.
Explanation:
The blind spot is a region on the retina where ganglion cells connect with the optic nerve, and the optic nerve and blood vessels leave the eyeball. There are no receptors in this area so nothing can be translated into vision. That's why the blind spot is unable to see things.
Answer:
c sorry if u get it wrong
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old.
