does anybody have the answers to this :/ its due soon and i don't understand anything of what it is about.

i thik is about coronavirus is going down or  cardiovascular is desease

Explanation: not sure

Yes

Explanation:

So the old man's grandpa's they have a high risk to get coronavirus

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.