When did the last mass extinction occur?

Which of these os true? (A) light travels in a straight line. (B) light travels in a random manner. (C) parallel beams are divergent in nature. (D) parallel beams are convergent in nature. (E) non of the above

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Explain how lee can use geometry to figure out how much water would have been in the box

How many outlets are allowed on a 240 V branch circuit? A. 9 B. 3 C. 1 D. 6

An electron enters a region of space containing a uniform 2.71 * 10 - 5 2.71*10-5 T magnetic field. Its speed is 197 197 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion.

Muscle control is the ability to quickly change directions and make complex movements

According to the first law of thermodynamics, what could happen when heat is added to a system? The internal energy of the system decreases. The heat is turned into work done by the system. New energy is created within the system.

How does a parallel circuit differ from a series circuit? A. A parallel circuit has one path for electrons, but a series circuit has more than one path. B. A series circuit has one path for electrons, but a parallel circuit has more than one path. C.

When a potassium ion (k+) enters a gaurd cell it creates a solution of what?

If two plates diverge at a rate of 1.3 cm/year, how much farther apart will the plates be after 200 million years?