noelkatelynn noelkatelynn

22-09-2020
Chemistry

contestada

The_In the atmosphere that all living beings depend on was generated by Cyanobacteria during the archaea and Proterozoic eras. The presence of this substance is what makes _ possible on earth

Respuesta :

kk5996282 kk5996282

22-09-2020

Answer:

the oxygen in the atmosphere that all living depend on was generated by cyanobacteria during the archaea and proterozoic eras the presence of this substances is what makes life possible on earth

Answer Link

rickterri rickterri

10-12-2020

Answer: oxygen and combustion is correct

Explanation: just took the test

Answer Link

Otras preguntas

4. Mikael worked 5 hours on Tuesday and 6 hours on Wednesday. She earned $88. What was her pay rate? Pls answer

Write a linear equation with a slope of -9/5 and passes through the point (10,-2). Answers + explanations please!

Kylie is birdwatching and has seen 9 thrushes so far, as well as 24 other birds. Considering this data, how many of the next 88 birds to be spotted should you e

The cost of hiring a taxi consists of a fixed cost of $3 plus $0.5 per kilometer distance travelled. Write an expression in terms of y for hiring a taxi for y

John is 14 years older than Sam and the product of their ages is 275. How old is Sam? A. 11 B. 5 C. 3 D. 8

A roll of ribbon was 12 meters long. Diego cut 9 pieces of ribbon that were 0.4 meter each to tie some presents. He then used the remaining ribbon to make some

help me solve the problem

What was the principal reason the Federal government spent so much money during the Bush administration?

True or False On June 21st, at our latitude 41°N, the Sun reaches the zenith.

An old 0.500 L lecture bottle of triethylamine (N(CH₂CH₃)₃) was found in a lab and needed for a synthesis reaction. A pressure regulator indicated a pressure of