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Scorpion4ik [409]
3 years ago
11

List 3 variable that Anurag should keep the same

Biology
1 answer:
Makovka662 [10]3 years ago
5 0

Answer:

seawater ,upside-down funnel and seaweed

Explanation:

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Plesiosaurs swam by using their paddle-like limbs in a manner similar to that of a
antiseptic1488 [7]
Sea lions use their back, hind flippers and front flippers to easily glide in the water.

Therefore, sea lions is the answer.
8 0
3 years ago
According to the chart, which substance has the lowest OH- concentration?
SVEN [57.7K]

The correct answer is option (B) lemon juice.

pH refers to the logarithmic scale used to indicate the acidity or basicity of an aqueous solution. It is the negative of the base 10 logarithm of the activity of the hydrogen ion. Solutions with a pH less that 7 are considered acidic and the solutions with a pH greater that 7 are considered to be basic. A pH of 7 is neither an acid nor a base and is considered neutral.

An acid has a high concentration of hydrogen ions (H+)  and a base has a low concentration of hydrogen ions. Higher the hydrogen ion concentration, pH is acidic. Among the given substances, lemon juice has a pH of 2, urine has a pH of 6, tomato juice has a pH of 4 and black coffee has a pH of 5.  Since lemon juice has a pH of 2, it has the lowest –OH ion concentration.

6 0
3 years ago
Read 2 more answers
These have monomers known as nucleotides.
Sindrei [870]
Scholarship..............
4 0
3 years ago
The distinguishing characteristic between birds and all other organisms is ________.
KatRina [158]

Answer:the possession of feathers

Explanation:birds are warm blooded animals , that possess feathers.these feathers cover their bodies and used for flight and warmth.their forelimbs are modified into wings,which fold into a Z shape at rest.feathers grow from the skin follicles and are replaced by scales on their legs.they possess oil gland to dress the feathers.

Other features of birds include

1) beaks with no teeth

2) fully ossified bones with air cavities

3)females with left ovary and oviducts only

5 0
3 years ago
2 and 3<br><br> 1 and 2<br><br> 3 and 4<br><br> 1 and 4
nadya68 [22]
The most likely answer here is 1 and 4.
3 0
3 years ago
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