An atom has 14 protons and 15 neutrons, what is its mass number

In which of the following locations is an island arc likely to form? A. At a hotspot B. Near a transform fault C. Along a divergent plate boundary D. Along two converging oceanic plate boundaries

What is the name of the North Star?

In the diagram above, a heavy box is being lifted. what is the function of the pulley

Two lasers are shining on a double slit, with slit separationd. Laser 1 has a wavelength of d/20, whereas laser 2 has a wavelength of d/15. The lasers produce separate interference patternson a screen a distance 5.00 {/rm m} away from the slits.

Why is there no effect on other branches in a paral - lel circuit when one branch of the circuit is opened or closed?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?

1) what is a calorie?

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.

The vector quantity that defines the distance and direction between two positions.