Physics, 11.03.2021 14:00 arielpraczko1
Determine the right answer to fill in the blank spaces
List items: water, natural, particles, mixture, salt, made, identical, minerals, gases, sand, cotton
A pure substance is something that is entirely made up of that are to each other.
Any substance that is not pure, must be a .
We are surrounded by mixtures. The air is a mixture of . The oceans are a mixture of (mainly) and . The solid earth is mostly rock, which is a mixture of different .
ressources are substances we need and use, which occur naturally. Some come from living things, (example) other are non-living (example) .
The opposite of a natural resource is a resource.
Science
Answers: 1
Physics, 21.06.2019 20:00
The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?
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Physics, 22.06.2019 05:00
Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.
Answers: 1
Physics, 22.06.2019 12:10
Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
Physics, 22.06.2019 18:00
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
Answers: 2
Determine the right answer to fill in the blank spaces
List items: water, natural, particles, mixtu...
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