Is thorium (the element) abundant?

Give one word which means the same as 'moving with a negative acceleration '

An airplane flies with a constant speed of 680 miles per hour. How far can it travel in 165 minutes?

What are some of the causes that disrupt the natural balance of the ecosystem? removing predators by hunting overpopulation of predators breeding hybrid plants removing prey by transplantation ridding the soil of decomposers

To be a healthy family, which of the statements below is TRUE: A. Family members need to be perfect. B. Family members must include a mom, dad, and children. C. Family members try to work out differences together. D.

Two moles of helium are initially at a temperature of 21.0 ∘Cand occupy a volume of 3.30*10-2 m3. The helium first expands at constant pressure until its volume has doubled.

in the absences of friction, gravity, and all other external forces, what kind of speed will an object display if it's travel from the bottom to the top of an inclined plane

An unusual lightning strike has a vertical portion with a current of - 400 A downwards. The Earth's magnetic field at that location is parallel to the ground and has a magnitude of 30 μT.

What is wind or wind currents? I'm on that subject and don't get what it is. for the subject, I chose "Physics" because I don't know what it was. Is this subject physics?

An aircraft with a landing speed of 295 km/h lands on an aircraft carrier with a landing area 205 m long. Find the minimum constant deceleration require for a safe landing.

What is the formula for calculating wave speed?