Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
Continental crust it has the average composition of granite.
Answer is Granite.
It will help you.
Geothermal heat- to provide energy for process like subduction, melting and metamorphism (to drive plate tectonics)
solar energy- for processes like erosion, weathering and transport
Answer:
A sensitive infra-red telescope
Explanation:
Infrared light is highly advantageous for astronomers as it helps in discovering and studying the astronomical objects that are observed in the night sky.
This infrared light is commonly used in the telescopes to study the distant stars, and by analyzing them, they are classified as different types like L or M types. These telescopes, by using the infrared light, it is able to detect the presence of stars and other astronomical bodies, and this type of telescopes helps in determining the temperature of the distant objects such as the stars, planets, and other objects.
