A. Mitochondria
B. Vesicles
C. Lungs
D.Liver
Plants stop photosynthesis at night, so what happens then?
A. take in Carbon Dioxide
B. give off Oxygen
C. give off Carbon Dioxide
D. None of these
Alternate Current convert into Direct Current they used devices name is called?
A. Anemometer
B. Battery
C. Galvanometer
D. Rectifier
The Earth’s atmosphere and surface waters together make up about 50% of the crust.
A. Oxygen
B. Cabon Dioxide
C. Silicon
D. Clay
The biggest contributor to acid rain is emissions into the atmosphere?
A. Sulfur Dioxide and Potassium Nitrate
B. Sulfur and Charcoal
C. Nitrogen Oxide and Potassium Nitrate
D. Sulfur Dioxide and Nitrogen Oxide
In general, what was caused by wind speeds of 10 to 13 kph?
A. minor or no damage
B. considerable damage
C. severe damage
D. extreme damage
Wind energy is also called.
A. Potential Energy
B. Transverse Energy
C. Kinetic Energy
D. Mechanical Energy