Aperson uses 750 kcal on a long walk calculate the energy used for the walk in kilojoules

Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

If forces acting on an object are unbalanced. true or false