Answer:
C
Explanation:
Sleet is pellets of ice that form when snow falls into a warm layer and melts into rain. The rain then falls into a freezing layer of air that is deep enough to refreeze the raindrops into pellets
They are a species, the definition is:
A group of organisms that have similar characteristics and can interbreed to produce fertile offspring
1 - The most common emission and byproducts that are generated by burning coal are carbon dioxide, nitrogen oxides and dioxides and CCPs in genearl (coal combustion products).
2 - Mercury is a heavy liquid metal with some toxical properties. When ingested (most commonly trough water) can be fatal [for further info search Mercury Poisoning]. Something I should also point out is that most of the contaminated water sources are residual waters.
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The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion. Green plants remove carbon dioxide from the atmosphere by photosynthesis. Living organisms - including all plants and animals - release energy from their food using respiration.-BBC.CO.UK
Answer:
<h3>C.
Gold has 79 protons.</h3>
<em>Atomic number defined as the number of electrons </em><em>or</em><em> </em><em> </em><em>n</em><em>u</em><em>m</em><em>b</em><em>e</em><em>r</em><em> </em><em>o</em><em>f</em><em> </em><em>protons in an atom's free state.</em>
<h2>
HOPE U UNDERSTOOD</h2>
HOPE U UNDERSTOODMARK AS BRAINLIEST ONE
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