Answer:
The reasons can be :
There are impurities in substances
Bellow you may find the names and structure of the poliatomic ions.
Explanation:
sulfate SO₄²⁻
nitrate NO₃⁻
perphosphate PO₅²⁻
hypoiodite IO⁻
chlorite ClO₂⁻
phosphite PO₃³⁻
percarbonate H₃CO₆²⁻
bromate BrO₃⁻
hyposulfite SO₂²⁻
permanganate MnO₄⁻
carbonite CO₂²⁻
CO₃²⁻ carbonate
MnO₃⁻ manganate
SO₅²⁻ persulfate
BrO₂¹⁻ bromite
CO₄²⁻ percarbonate
PO₅³⁻ perphosphate
ClO¹⁻ hypochlorite
IO₂¹⁻ iodate
PO₄³⁻ phosphate
NO₂¹⁻ nitrite
SO₄²⁻ sulfate
Learn more about:
polyatomic ions
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Forces cause motion. To move something, you need to apply a push or a pull, which is, by definition, a force. Without a force, the object will be immobile, or keep moving without speeding up.
Answer:
The characteristics given is present in the animal:
A. Polar bear
Explanation:
Here, in the question the characteristics given refers to the animal Polar bear as it has all the characteristics which are mentioned here.
Polar bear:
<u>Habitat: </u> They stay on the sea ice. They are found in five nations across the arctic i.e. U.S., Canada, Russia, Greenland and Norway.
<u>Skin, ears and tails: </u> Polar bears are covered with black skin over which there is a thick layer of fat to keep them warm in extreme temperatures.
<u>Paws and claws: </u> They are not designed just to stay on land but they can also survive when swimming they use their hind paws and large paddles.
Claws help them in climbing and digging.
It would have to be 40.0 only because it wouldn’t add up