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

A.

algae

B.

cyanobacteria

C.

prokaryotic

D.

eukaryotic

A distance-time graph shows a horizontal line at a distance of 3 km. Explain the motion of the object.

Energy that does not involve the large-scale motion or position of objects in a system is called: A - Kinetic Energy B - Potential Energy C - Nonmechanical Energy D - Conserved Energy

A train travels 86 kilometers in 1 hours, and then 98 kilometers in 1 hours. What is its average speed?

A 50.0kg bicyclist on a 10.0kg bicycle speeds up from a 5.00m/s to 10.0m/s

A space transportation vehicle releases a 470-kg communications satellite while in a circular orbit 350 km above the surface of the Earth. A rocket engine on the satellite boosts it into an orbit 2350 km above the surface of the Earth.

A light wave is traveling straight up out of the ocean then moves out into the air how do you expect the movement of the light wave to change the light wave will

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).