1.................,..........
Answer:
A rainbow is an optical and meteorogical phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc.
Frost wedging occurs because rocks becomes brittle when they freeze and water occupies more volume than ice.
Frost weathering is a collective term for several mechanical weathering processes triggered via stresses created by using the freezing of water into ice. The term serves as an umbrella term for a ramification of techniques which include frost shattering, frost wedging and cryofracturing.
Frost wedging takes place while water filling a crack freezes and expands (because it freezes, water expands 8 to 11% in volume over liquid water). The expanding ice imparts a extremely good amount of pressure against the rock (as plenty as 30,000 kilos/rectangular inch) and wedges open the crack.
Frost wedging takes place in locations which have the right temperatures to freeze water after which soften water. This normally happens in polar areas and mid latitude mountains wherein daylight can soften water throughout the day and refreeze overnight when temperatures drop.
Learn more about Frost wedging here : brainly.com/question/2244287
#SPJ4
noun
1.
a fertile spot in a desert, where water is found.
or
2.
type of rigid foam into which the stems of flowers can be secured in flower arranging.
Answer:
answer B
Explanation:
The land features depend on the geology , the climate of the earth and formation of land features is a continuos cycle it could alter from time ,not providing clear evidence about history of that specific area
