I think it is (b) i have studied this before. ( =
Everything from oceans, rivers, and lakes to plants, fish and wildlife are dependent on a healthy water supply. A water supply degraded by pollution touches everything on Earth through the process of the water cycle. Drought can lead to sinkholes and massive rains on dried out earth can cause mudslides.
Answer:
Amylose in starch is responsible for the formation of a deep blue color in the presence of iodine.
Explanation:
The iodine molecule slips inside of the amylose coil. Iodine - KI Reagent: Iodine is not very soluble in water, therefore the iodine reagent is made by dissolving iodine in water in the presence of potassium iodide.
Yes all animals humans and bugs have hearts
Answer:
Option A, The trees had become coated with soot and the dark moths were better camouflaged.
Explanation:
During the industrial revolution, bark of the trees became dark in color due to which the light colored moth were easily identifiable.
In response to this environmental change, the moth also evolved and became dark in color.
However, the total moth population of moth then constituted of both light and dark colored moths but the birds could eat only the light colored moth because they could not camouflaged themselves against the color of trees’ bark.
Hence, option A is correct
