Answer:
Technology is the use of reliable knowledge for a practical purpose.
Ecology is the study of the natural world through observation and experimentation.
Explanation:
Answer:
#2 Empirical formula _Na3S4O9____
Molecular formula ___Na6S8O18__
Explanation:
4. If you evaporate the water first, then the sand and salt will be nearly impossible to separate. That eliminates 1 and 2. You can't filter salt out from an aqueous solution, so that eliminates 3. 4 works because you can filter out the sand (which doesn't dissolve) then evaporate the water away from the salt.
N = 3
O = -2
1(3) +2(-2)= -1
Answer: Jimmy Neutron 's House is host to Jimmy Neutron, Judy Neutron, Hugh Neutron, and Goddard. It is located on one side of the street from Cindy Vortex 's Building, both of which are located in Retroville, Texas, the United States of America, Alaska and Hawaii, North America and Planet Earth. Inhabitant: Jimmy Neutron.
Explanation:
