The farsightedness or hyperopia occur when light focused behind the retina. The main reason of this type of abnormality is that because of the lens and cornea may not be able to bend the light rays to focus them on the retina. Hence the light rays focused behind the retina. The other reasons of hyperopia are the small size of the eyeball which causes the decrease in the refractive power of cornea and lens. Due to this small size of the eyeball the light rays focused behind the retina.
Weak is alike to strong atomic forces are mediated by gluons ,and W and messenger bosons.
Answer:
An introduced species is a non native species that has one way or another been integrated into the native environment by human or other means. The key difference with introduced species are that they integrate into the native environment without negative effects to the surrounding ecosystem.
Explanation:
Answer: The options are not given, here are the options.
Water flows from a stream to a lake.
Gravity moves rocks to another location.
Lions use energy to catch other animals for food.
Bears dig big holes in the ground to protect their young.
The correct one is Gravity move rock to another location.
Explanation:
The Earth spheres consist of the biosphere which is the living components, Hydrosphere (water), geosphere( rocks) and the atmosphere( gases). The Earth's spheres closely connected that a change in one sphere can result in change in another sphere.
For example, birds fly through the atmosphere, water(Hydrosphere) flow through the soil (lithosphere)