science
What is the name of the third plant in our solar system relative to the position of the sun
Earth/Terra
Electric power is typically measured in what units?
Watts
Which molecule is primarily responsible for carrying oxygen in the blood?
Hemoglobin
name all 7 continents
asia, north america, europe, south america, antarctica, africa, australia
what color absorbs light and which color reflects light
black/white
what does DNA stand for
Deoxyribonucleic Acid
How many hemispheres does earth have
4
What is the phenomenon called when the speed of light barrier is broken?
Sonic boom
True or false? A salamander is a warm blooded animal?
false
206
How many phases does the moon go through every 29 days?
8
Bacterial infections in humans can be treated with what?
Antibiotics
what is the chemical symbol for gold
Au
how old is the earth
4.543 billion years