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

-2x+3=-3(-x)-2 solve the equation for x by graphing

what are the solutions to the system of equations {-x+y=4 {y+12=x^2+x

What are some of the general functions of skin?

Rewrite the radical expression as an expression with rational exponents four square root X to the fifth

for f(x)=3x+1 and g(x)=x^2-6, find (f-g)(x)

a member of a book club wishes to purchase two books from a selection of eight books recommended for a certain month in how many ways can she choose them

The following best describes the bourgeoisie O a wealthy social class that exploits the working classes affluent middle-class people who hire workers O a catego

Wingspans of adult herons have approximate normal distribution with mean 125 cm and standard deviation 12 cm. What proportion of herons have wingspan of exactly

A 99.5 N grocery cart is pushed 12.9 m along an aisle by a shopper who exerts a constant horizontal force of 34.6 N. The acceleration of gravity is 9.81 m/s 2 .

WHEN gEORGE AND aNTHEA WERE MARRIED 120 OF THE GUEST aNTHEA'S FAMILY OR FRIENDS. THIS WAS 60 PERCENT OF THE TOTAL number of guest. How many guest were altogethe