subject
Physics, 01.08.2019 15:30 ehehvevsbg

Oxygen levels first rose in the atmosphere because of a. volcanic outgassing b. eukaryotes c. banded iron formations d. cyanobacteria

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 17:10
Aspecial electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. the sensor measures the magnitude of the normal force that the seat exerts on a rider. the loop-the-loop ride is in the vertical plane and its radius is 23 m. sitting on the seat before the ride starts, a rider is level and stationary, and the electronic sensor reads 740 n. at the top of the loop, the rider is upside down and moving, and the sensor reads 370 n. what is the speed of the rider at the top of the loop?
Answers: 1
question
Physics, 21.06.2019 17:50
In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?
Answers: 2
question
Physics, 22.06.2019 05:00
In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
Answers: 1
question
Physics, 22.06.2019 09:00
One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form
Answers: 1
You know the right answer?
Oxygen levels first rose in the atmosphere because of a. volcanic outgassing b. eukaryotes c. ba...
Questions
question
Mathematics, 01.01.2022 16:00
question
Mathematics, 01.01.2022 16:00
question
Social Studies, 01.01.2022 16:00
question
Chemistry, 01.01.2022 16:10
Questions on the website: 13722362