1=c 2=a 3=b
i hope these answer your questions
Wood can be natural source of heat just as coal is however, coal releases chemicals and spoke (which causes smog- nasty poluted fog) wood on the other hand is more natural and does not release any harmful chemicals into the air
I think the correct answer from the choices listed above is option 3. It is the compound Silver bromide that is insoluble to water. It has a very low solubility which is approximately 0.14 milligram per liter of water. Hope this answers the question. Have a nice day.
Answer:
The correct answer would be "They could allow scientists to explore remote places, like other planets, in new ways".
As the artificial muscles are lightweight and can withstand high temperatures they can be used efficiently in exploring remote places, stars, or planets where humans can not survive.
For example, they can be used to explore the inner or outer core region of the earth which would help us more in understanding the earth.
Similarly, robots with these types of muscles can be used to obtain samples from other planets which have a very high temperature such as mercury.
<span>Over a period of 6 hours, the substance went from 100% to about 60%, which is slightly less than one half life. One half life is therefore slightly more than 6 hours, with 7.4 hours being the most logical answer.</span>