Industrial revolution is when people started making a bunch of factories.
It affected the color of dark colored moths because they were able to camouflage into their environment better because of the soot from the factories, therefore increasing the number of dark moths that survived in their environment over light colored moths.
Natural selection is when the environment and environmental factors affect an organisms ability to survive and reproduce in that environment, causing only the most fit organisms to be able to survive and reproduce.
Answer:
Pigmentation of the skin results from the accumulation of melanin-containing melanosomes in the basal layer of the epidermis. Differences in skin pigmentation result both from the relative ratio of eumelanin (brown–black) to pheomelanin (yellow–red), as well as the number of melanosomes within melanocytes.
Explanation:
Answer:
the concentrations of salt water because its being controlled by the scientists.
Explanation: the iv= between the control and expariment.
dv= data or out come
constant+ not changed at all
How does the pressure involved affect the formation of sedimentary rock?
Rainwater is normally free from dangerous substances, which makes it perfect for irrigation schemes. Added significant benefit is that it decreases the requirement for fresh water. It is important particularly in regions with low water levels.
Another benefit might water harvesting have in these areas with land erosion due to runoff are as follows;
Reduces Water Shortages
In temperate areas, the strain on public water supply can become hard, even in advanced countries. Rainwater decreases the uncertainty of water shortages. Using rainwater for non-essential actions such as spraying the lawn means less pressure on the supply of safe drinking water.
Replenishes Groundwater
Extensive rainwater harvesting projects with the water collected into storage containers or tanks are important to assure a sustainable groundwater level.
Reduces soil erosion
Heavy rainfall generates erosion because some of the soil is transferred along with the passage of water. Soil erosion exhausts agricultural land of topsoil and nutrients, provides to sediment build up in waterways and, in advanced cases, can turn land inadequate for agriculture. Harvesting rain checks a great chance of soil erosion before it can originate.
