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professor190 [17]
3 years ago
9

Which substance is the most acidic?

Biology
2 answers:
Bezzdna [24]3 years ago
6 0
Lemon Juice is the answer.
sasho [114]3 years ago
3 0

The correct answer is C. Lemon juice

Explanation:

The acidity of a solution depends mainly on their ph, in this way a pH from 0 to 6 indicates a substance is acid, a pH of 7 shows the substance is neutral and a higher pH shows a substance is a base which is the opposite to acids as bases accept hydrogen ions if dissolved while acids release them. Also, the lower the pH the most acidic a solution is. In this way, lemon juice has a pH of 2 and therefore is the most acidic in comparison to tomato juice with a pH of 4, water with a pH of 7 (neutral pH) and sodium hydroxide with a pH of 12 (base).

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The species in a community that is more abundant in number or biomass than any other is the ____________ species, althought not
Lera25 [3.4K]

Answer:

The answer is dominant.

Explanation:

The species in a community that is more abundant in number or biomass than any other is the <u>dominant</u> species, although not necessarily the species that has the greatest impact on the community. Dominant species, therefore, also have bigger niches and represent a big part of the competition with others.

4 0
3 years ago
Identify each adaptation as structural or behavioral adaptations.
Zina [86]

Answer:

Monkeys have a prehensile tail that allows them to grab and hold onto tree branches - structural

Moose make mating calls to locate potential mates - behavioral

Whales are covered in a thick layer of blubber, insulating their bodies in cold ocean waters - structural

Humans have five toes on each foot to help them maintain balance - structural

Many birds migrate south for the winter in search of food - behavioral

Explanation:

The structural adaptations are adaptations that help the organisms to survive in their environment through development of physical traits that give them an advantage. Such adaptations are the thick layer of blubber of the whales, the five toes of the humans, prehensile tail of the monkeys, rotational toe of the clouded leopard, long of the giraffe etc. The behavioral adaptations are adaptations that help the organisms to survive in their environment, but they manifested through their actions, not their physical traits. Such adaptations are the mating calls of the moos, the migration of the birds in winter, the hibernation of the bears etc.

6 0
3 years ago
Which kind of tissue sends messages from the brain to the rest of the body?
Minchanka [31]
I believe it is nervous tissue

5 0
3 years ago
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Organisms show slowed growth during the:<br><br><br>spring<br><br>summer<br><br>autumn<br><br>winter
Bingel [31]
The organisms show slowed growth during the winter.
6 0
2 years ago
Which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land? Frog Scallop Salamander Scorpio
Sladkaya [172]

Answer:

frog

Explanation:

frogs live their first part of their lives in water so they need gills but after metamorphosis they live on land so they need lungs.

5 0
3 years ago
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