onehellofaluvin onehellofaluvin

26-09-2020
Chemistry

contestada

How did cyanobacteria change life on earth

Respuesta :

shyperson100 shyperson100

26-09-2020

Cyanobacteria are photosynthetic. They convert sunlight into energy and produce oxygen as a waste product. Back then, the Earth's atmosphere didn't have free oxygen in it as it does today. ... The cyanobacteria changed that.

Answer Link

Otras preguntas

Very short answer questions Mention any two physical features of the province where you reside. Write two features of sustainable development. What are the orga

Write the equation of the line that passes through the points (-8, 5) and (9,-5). Put your answer in fully simplified point-slope form, unless it is a vertical

Compare negative one and six tenths repeating and negative five thirds using symbols

I have two questions. 1 is a picture and one isn't. Will give brainliest. What has the greater volume? A cone with radius 5 inches and height 10 inches, or a sq

Nayeli is proofreading a 757575 page manuscript. Filémon is line editing a 404040 page manuscript. Since proofreading is faster, Nayeli completes 111111 pages a

The math department purchases a photocopier for $4,500. Write an equation (in y=mx+b form) to model the value of the photocopier, y, in x years if the copier's

Find the coordinates of the circumcenter of the triangle with the given vertices (9.5) (5,9), (-2,-2)\

Explain how the distance of the line segment shown on the graph can be found. WILL MARK BRAINLEST! Photo below !!

# Meena says "If a Is she correct? Explain your answer.

Your client Mr B is sound asleep when you enter his room to take his vital sign should you measure any of his vitals signs before waking him if so which ones an

ACCESS MORE