arivas3036 arivas3036

10-03-2022
Biology

contestada

What organism has been found in the oldest fossils?.

Respuesta :

alexharm390 alexharm390

10-03-2022

Answer:

cyanobacteria

Explanation:

The cyanobacteria have an extensive fossil record. The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old.

Answer Link

Otras preguntas

a pulley on a friction- less axle has the shape of a uniform solid disk of mass 2.50 kg and ra- dius 20.0 cm. a 1.50 kg stone is attached to a very light wire t

groundwater contaminants group of answer choices like sulfur, iron, calcium carbonate, and methane may come from the rock the water flows through. are all event

3) A man works x hours per weekday except Saturday when he works y hours. If he works z hours on sunday how many hours does he work per week?

the beam has a constant e1i1 and is supported by the fixed wall at b and the rod ac. If the rod has a crosssectional area A2 and the material has a modulus of e

10. Which of the following sets of ordered pairs does not describe a function? A ((7,-2), (5, 0), (3, 3), (1, -2)} B ((7, 2), (5, 4), (3, 6), (1, 8)) C ((7, 2),

In the same football game, we watch as a team attempts a field goal. Since the goal posts are distant and the time to make a decision is short, the referee must

Which of the following is a linear function? a.f(x)=2x-3 b.f(x)=x²+3 c.f(x)=2x³ d.x=3-2x?

when you urinate, you increase pressure in your bladder to produce the flow. for an elephant, gravity does the work. an elephant urinates at a remarkable rate o

The earnings, dividends and stock price of Shelby Inc. are expected to grow at 7% per year in the future. Shelby's common stock sells for $23 per share, its las

Dying is considered a/n