emmathesmartchick563
emmathesmartchick563 emmathesmartchick563
  • 03-09-2020
  • Biology
contestada

10.000000 points!!!! Pls answer!!!!

How much of the earths oxygen is generated by marine organisms?
A. 50%
B. 25%
C. 90%

Respuesta :

christiemassingill
christiemassingill christiemassingill
  • 03-09-2020
I think the answer is A
Answer Link

Otras preguntas

What happens during transcription? Select all that apply. please help asap!
Which of the following customer-service strategies focuses on meeting industry standards in key operational areas like product quality, productivity, product av
When an organization opens in a new country, it often encounters different , or deeply rooted individual principles. For example, people in one country might ha
shelly drove 2.5 hr at 50 mi per hr and1.25 hr at 62 mi per hr. How far didShelly drive?​
what does x = in the equation 8x-9=x+9​
Two horizontal forces act on a 2.0kg chopping block that canslide over a frictionless kitchen counter, which lies in an xyplane. One force is F1= (3.0N)i + (4.0
Because poor people are _____________ likely to have adequate healthcare, guaranteeing everyone in society the best healthcare would likely equality. Paying lai
(2.) How many liters are occupied by 3.50 mol carbon dioxide at STP?
A dog running at 2 m/s A:acceleration B:speed c:velocity
The balance sheet is a financial statement that measures the flow of funds into and out of various accounts over time, whereas the income statement measures the