Which organism was the first to develop in the absence of oxygen?

A.

algae

B.

cyanobacteria

C.

prokaryotic

D.

eukaryotic

An oil storage tank ruptures at time t = 0 and oil leaks from the tank at a rate of r (t) = 115e-0.01t liters per minute. How much oil leaks out during the first hour? (Round your answer to the nearest liter.) liters

How much water to add to 80 lb bag of concrete?

An object is oscillating in simple harmonic motion with an amplitude a and an angular frequency ω. What should you do to increase the maximum speed of the motion?

Alguien me podria ayudar con esto pliz ... Ahora resuelva el siguiente ejercicio, tenga presente lo visto en clase y aprendido en los puntos anteriores Un móvil parte del reposo, al llegar a los 4 segundos lleva una velocidad de 12m/s, al llegar a

The net force on a 3.2kg toy airplane is 7N. What is the accelerator of the airplane?

Which statement correctly describes the nucleus of the atom? The nucleus of the atom contains the electrons. The nucleus of the atom is mostly empty space. The nucleus of the atom surrounds the center of the atom.

Inner planets that are composed mainly of rock and metal are called

A laboratory dish, 20 cm in diameter, is half filled with water. One at a time, 0.50/µL drops of oil from a micropipette are dropped onto the surface of the water, where they spread out into a uniform thin film.

The process that converts liquid to gas is melting true or false

A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mm Hg atmospheric pressure. When the balloon was released, it traveled upward until it burst at 99 mm Hg atmospheric pressure.