how many contenents are there?
7
what elements are in h20
hydrogen, 2 atoms of oxygen
what is a star before is is born?
a Nebula
what is the population?
8.2 billion
what country is the Nile river located in?
Egypt
what elements are in co2
carbon, 2 atoms of oxygen
what was the big bang theory?
an expantion of space
what is the cause of ice melting in the artic from climate change?
rising waters and land loss
what country is the atomic bomb located in?
U.S.A
what elaments are in NaCl
sodium, cloride
how long could you live on the moon without suffering very bad injurys?
30 secounds to 1:00 minute
what happens is there is to much Co2 in the air?
wildfires
what state and city is the Opry house located in?
nashville, tennessee
what elaments are in co2
carbon, 2 atoms of oxygen
what galaxy are we in?
milky way
what is the country with the lowest population?
vatican city/holy sea
what elaments are in NaClO
sodium, cloride and oxygen
how old are stars?
13.8 billion years old