stussyamanda stussyamanda

02-11-2017
Biology

contestada

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

Respuesta :

Аноним Аноним

02-11-2017

A. cyanobacteria is the answer!

Answer Link

allyssaquigley allyssaquigley

02-11-2017

A is the answer Cyanobacteria I hope this helps

Answer Link

Otras preguntas

why is the moon far away but look so close

. Solve for a. (a) If your answer is 51 cm color the arm sleeves yellow. (b) If your answer is 149 cm color the arm sleeves apricot. (Explain please)

an object is placed in front of a curved mirror as shown. which of the labeled positions is the current position of the image

Write an equation of a line in slope-intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

A circle is the collection of points in a plane that are the same distance from a given point in the plane. true or false

A police department reports that the probabilities that 0, 1, 2, and 3 domestic disputes will be reported in a given day are 0.53, 0.43, 0.03, and 0.01, respect

- 5/8 x + 10 for x = -8 answer anyone? evaluate the expression

As a type of local government, special districts are created to a. serve rural areas only. b. coordinate county services only. c. meet specified public needs. d

Please help and write a counterclaim on cash currency

choose two correct answers