stussyamanda stussyamanda
  • 02-11-2017
  • Biology
contestada

which were the earliest oxygen-producing life-forms?
a.cyanobacteria.
b.seaweed.
c.dinosaurs.
d.ferns.

Respuesta :

themask101 themask101
  • 02-11-2017
A is the correct answer

Answer Link
Аноним Аноним
  • 23-01-2019

A. CYANOBACTERIA is the CORRECT answer!

Answer Link

Otras preguntas

Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15
On a game show, the first place winner got cash and prizes worth a total of $4,622.00. The runner-up won a total of $2,541.00. How much more did the first place
The value of 3 in 6,300 is _____ times the value of 3 in 530.
What work must be done to place a satelite of mass 30kg in orbit at a height of 50km above the earth with a velocity of 800m sec?
The value of 3 in 6,300 is _____ times the value of 3 in 530.
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
Yochanan walked from home to the bus stop at an average speed of 5 55 km/h km/hstart text, k, m, slash, h, end text. He immediately got on his school bus and
Solve the inequality
I went shopping for a new car. the suggested manufacturers price is $26,985. With discounts for first time car buyer, being a college graduate, and the Labor Da