Thorium-232 decays by alpha decay. Part of the nuclear equation is shown below. Fill in the blank with a number. 232/90

Which specific type of immunity is involved in antibody production?

How many protons are there in any te atom

A driver in a car traveling at a speed of 21.8 m/s sees a cat 101m away on the road. How long will it take for the car to accelerate uniformly for 3.2 km in 3.5 min. How fast (in m/s) is the car moving after this time?

Adolescents require fewer hours of physical activity than adults.

A block on an inclined plane experiences a force due to gravity of 300 N straight down. If the slope is inclined at 67.

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?