Answer:Galileo sparked the birth of modern astronomy with his observations of the Moon, phases of Venus, moons around Jupiter, sunspots, and the news that seemingly countless individual stars make up the Milky Way Galaxy.
Explanation: Mark me brainly please
Two that I know of are a sextant, and maybe an astrolabe
Answer:
supply
Explanation:
In Economics, a "supply" refers to <u>the amount/quantity of goods that a seller/producer is willing to sell/produce.</u> It goes hand-in-hand with the word "demand," which refers to the <u>amount/quantity of goods that a buyer/purchaser is willing to buy/purchase.</u>
For example, a seller wishes to sell junk food in his convenience store because he hopes to profit from it. The quantity of junk foods he wishes to sell is called the "supply."
Answer:
Lower the emission of carbondioxide gas and planting more trees.
Explanation:
Lower the emission of carbondioxide gas and planting more trees are the two measures that have been implemented at the national level of countries to ensure the sustainability of coral reefs. Carbondioxide emission is the main reason for the destruction of coral reefs because more carbondioxide emission causes decrease the pH level of ocean. This acidic water of ocean damaged the skeleton of coral reefs and as a result thousands of organisms lost their habitat.