Convection can occur in which two substances?

a) wood and air

b) ice and wood

c) water and ice

d) air and water

2.1kilograms into grams (1000g=1kg)

Under standard conditions on earth, 1 kg = 9.8 newtons. if trey has a mass of 25.0 kg what would his weight be on uranus

If you want to lift a 5-kg box to a height of 2 meters, how much work must be done? O A. 50 J O B. 98 J O C. 100J O D. J

When sinkholes expand, creating isolated towers of rock, what is occurring? A. Rainwater is becoming more acidic B. Mature karst topography is being eroded C. Young karst topography is evolving into mature karst topography D.

What law of motion that states that an object will remain at rest or move in a straight line at a constant speed unless it is acted upon by a force

Cooling down after a workout allows the oxygen to continuing moving through the body and keeps the muscles from tightening up to fast

The force that slows down and eventually stops a ball you roll across the pavement is called

The force of friction on an object is dependent on two things. what are they?

Are the backbones of the DNA molecule identical in all living things? A. Yes B. No C. I don't know

An object traveling at a 5.0 m/s east has a mass of 4.0 kg. what is the magnitude of the object's momentum?