Answer:
Planetesimal
Explanation
Planetesimal has its roots from the meaning of infinitesimal which means an object is too small to see or measure.
A planetesimal is an object which is formed from dust, rock and other materials. It is a small body formed during accretion and composed mostly of of silicates and metals internally and ice on the external surface.
Planetesimals can be anywhere in size ranging from several meters to hundreds of kilometers.
Answer:
Correct option is (B). Nyctalopia affects vision in the fovea centralis, resulting in impaired vision.
Explanation:
Nyctalopia which is also known as night blindness, in this condition it's difficult to see in relatively low light. It can cause by two types one is from birth, and another is injury or vitamin A deficiency which is also called as malnutrition.
It is caused by the loss of normal rod function in retina, and loss their ability to response in the light. The outer part of retina is made up of more rods compare to cones, loss of peripheral area repeatedly results in night blindness.
Answer:
Wind carries moisture into an atmosphere, as well as hot or cold air into a climate which affects weather patterns. Therefore, a change in wind results in a change of weather.
Explanation:
Brainlest is appricated
I think metastasis is a secondary tumor in a different part of the body that arises from a cells from the primary tumor. Metastasis means the spread of cancer cells. Cancer cells may break away from a primary tumor and enter the bloodstream or lymphatic system and is then spread to other parts of the body.
Applying ice to a fire victim leads to tissue hypoxia and necrosis because it will change the skin's temperature too fast and may cause frostbite. The burn could have had removed a layer of skin, leaving the fragile tissue exposed which will be more sensitive to the ice.
