First I would use a magnet to get the iron filings out then I would use a sieve to separate the wood chips from the sand and salt. After this pour water into the sand and salt and put it through filter paper, the salt will go through as it is dissolved in water and the sand will be left behind. Place this salt solution into a dish and put it over a flame, the water will evaporate and leave the salt behind
Answer:
D) address issues of pollution
Explanation:
Kyoto Accords is an international treaty that extended from the United Nations Framework Convention on Climate Change (UNFCCC) in 1992. Scientific research has shown result that a continuous increase in CO2 emission will be dangerous to our planet future. So the tenets trying to make a rule that will limit the pollution.
They store and use ATP (Adenosine Triphosphate).
:)
Answer:
I dont know about these options but it needs to be going about 11 kilometers (7 miles) per second, or over 40,000 kilometers per hour (25,000 miles per hour), to enter orbit.
Explanation:
Thermal energy could be an answer
