sanjish4075 sanjish4075

19-04-2024
Biology

Answered

The presence of free oxygen in the atmosphere is attributed mainly to which of the following?
1) interaction of the air and the ocean surface
2) volcanic activity
3) photosynthesizing cyanobacteria
4) formation of the inner core

Answer :

Other Questions

Which is equivalent to [tex]\sin ^{-1}\left(\cos \left(\frac{\pi}{2}\right)\right)[/tex]? Give your answer in radians.A. 0B. [tex]\frac{\pi}{2}[/tex]C. [tex]\pi

Calculate the molarity of 5.0 g of NaOH in 750 mL of solution (atomic mass of NaOH is 39.9969 g/mol).A. 0.00017 MB. 6.67 MC. 0.167 M

Calculate the centripetal acceleration of the object.Given:[tex]\[ \begin{array}{l} s = \frac{900}{10} \\ s = 90 \end{array} \][/tex]An object of mass [tex]$25

Most abortions in the United States are performed via:A. a hospitalB. a doctor's officeC. an abortion clinicD. at home, by medication

Question 20 of 20Which of the following activities supports mathematical thinking in school-agers?A. Learning direction and positional words during a game of "S

Volumeof 20 litres of hydrogen chloride [Hcl] wascompletely decomposed to constituent element [hydrogen and chloride]. What are the volume of the constituent el

QUESTION 9True or False: Sigmund Freud is the founder of psychoanalysis.○ True○ False

Change 17 out of 25 to a percentage.

Which of the following was a "precedent" during Washington's administration?A. Adding the Secretary of State as a cabinet-level positionB. Borrowing money from

You earn [tex]$\$[/tex] 55,750[tex]$ for the year. Which tax tier will you use? \ \textless \ strong\ \textgreater \ SINGLE person\ \textless \ /strong\ \t

What was the Fort Gower Address?

write each rate as a unit rate $8 for 2 pounds of rice

under president Coolidge, the concern for Mexican Americans and African Americans were? a. a high priority b. addressed in a series of fiery radio speeches c. a

is the compound Ba(NO3)2 covalent or ionic

what is the difference between periods and groups on the periodic table?

Joe and Janna leave home at the same time, traveling in opposite directions. Joe drives 45 mph and Janna drives 40 mph. In how many hours will they be 510 miles

Which nation's legislature refused to join the League of Nations? A. Great Britain B. France C. Italy D. United States

What takes place among elements to form an ionic bond? A. One or more electrons are transferred. B. One or more electron shells are shared. C. One or more e

Which are steps taken by the first emperor of a united China to unify the country and solve its problems? Choose all answers that are correct. A. forced peasan

How do you do "what percent of 60 is 9?" Please how to do this.