Answer:
It’s the first one, humans
Answer:
how old the star is
Explanation:
because starts existed before any human beings walked the earth
hope i helped
Answer:
In a command economy, the means of production is owned
✔ by the government
.
Prices are
✔ set
and are not reflective of what consumers want or need.
Unlike in a market economy,
✔ government officials
decide who keeps money generated by sales.
Explanation:
I did the assignment
Answer:
Explanation:
thickness of aerosol layer is 2.5 km
zenith angle is 40 degree
we know that
where
is extinction coefficient
extiction cross section
N = Concentration
transimiitance