helpMePLEASE0101 helpMePLEASE0101

12-09-2018
Biology

contestada

Photosynthetic cyanobacteria caused an increase in atmospheric levels of
A) ozone
B) water
C) oxygen
D) carbon dioxide.

Respuesta :

ksalmon1 ksalmon1

12-09-2018

C...the key is that they are photosynthetic...so they produce oxygen (like plants)!

Answer Link

Susanknows Susanknows

09-05-2019

Answer:

C) oxygen

Explanation:

The gaseous product of photosynthesis is oxygen. Cyanobacteria are responsible for much of Earth’s early oxygen.

Answer Link

Otras preguntas

Do you believe there is social stratification that correlates with religious beliefs

Is the word “people” a noun?

Your ASSIGNMENT Write a script and storyboard for a video that presents the story of Macbeth in 60 seconds. If the technology is available, you must work with a

What is the product of (3a + 2)(4a2 – 2a + 9)? A- 12a3 − 2a + 18 B- 12a3 + 6a + 9 C- 12a3 − 6a2 + 23a + 18 D- 12a3 + 2a2 + 23a + 18

Will give brainliest please do it fast Banksy Art Self-Destructs After Selling for $1.4M From the Painters’ Rag In a paragraph of at least five sentences, answe

What is the area of a cookie that has a radius of 6 inches

CAN SOMEONE HELP ME PLEASE ASAP!?

The correlation coefficient for poor hearing and loud music in a group of people is 0.67. Analyze the following statement: Poor hearing is caused by listening t

solve for x please −2(−3x−1)−4x+3=25

explain the interaction and roles of electromagnetic force and strong nuclear force in the nucleus of an atom