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babymother [125]
3 years ago
5

Hello everyone it's me the shy one. This is like my second post so here are the 4 questions.

Chemistry
1 answer:
irina [24]3 years ago
6 0

Answer:

1.The effects of global warming in the Arctic, or climate change in the Arctic include rising air and water temperatures, loss of sea ice, and melting of the Greenland ice sheet with a related cold temperature anomaly, observed since the 1970s. 2. An engineer has devised a way to stop Arctic ice from melting by scattering millions of tiny glass beads to reflect sunlight away. Scientists have discovered that melting in Greenland and Antarctica is occurring much faster than they previously thought. 3. The cap of sea ice covering the Arctic Ocean started to shrink when it should have been growing. Temperatures at the North Pole soared more than 20 °C above normal at times. And polar bears prowling the shorelines of Hudson Bay had a record number of run-ins with people while waiting for the water to freeze over. In the span of a few months, all manner of strange things happened. 4. Human basic needs, such as food, water, health, and shelter, are affected by climate. Changes in climate may threaten these needs with increased temperatures, sea level rise, changes in precipitation, and more frequent or intense extreme events. Climate change will affect individuals and groups differently.

Explanation:

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Answer:

A mole (mol) is the amount of a substance that contains 6.02 × 10 23 representative particles of that substance. The mole is the SI unit for the amount of a substance. There are, therefore, 6.02 × 10 23 water molecules in a mole of water molecules. Water (H2O) is made from 2 atoms of hydrogen and 1 atom of oxygen.

8 0
2 years ago
Explain why there was a reaction between zinc metal and a salt solution of copper sulphate please help me​
natali 33 [55]

Answer:

When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless.

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Maslowich

Explanation:

Physics: The study of matter and energy and the interactions between them. Physicists study such subjects as gravity, light, and time.

The question is a bit confusing but here i go..

6 0
3 years ago
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<span>An organism that contains chloroplasts is able to produce food by the process of "Photosynthesis"

Hope this helps!
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3 years ago
Describe the location of the positive charge of the atom in j. j. thomson’s plum pudding model.
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Read 2 more answers
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