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Lemur [1.5K]
3 years ago
11

1.) Give an example of a substance with a high concentration of H+ ions

Biology
2 answers:
ZanzabumX [31]3 years ago
7 0
1.) Hydrochloric Acid
2.) Sodium Hydroxide
Mrrafil [7]3 years ago
3 0

Answer:

1. Battery acid or an acidic solution. 2. Apple juice, baking soda, bleach etc :)

Explanation:

More acidic the solution the higher H+ vice versa.

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Why must zebras and wildebeests fill different niches on the open plains and woodlands of africa?
SCORPION-xisa [38]

The occupation of different niches on the open plains and woodlands of Africa by the zebras and the wildebeests is a result of niche partitioning. The zebras and the wildebeests in a common niche would compete for food, water, shelter, and space. This competition would affect the population growth of the two species by negatively affecting their reproductive capabilities. Thus, in the same habitat, the two species choose to occupy two different niches such that the competition between them is minimised. Hence they end up in separate niches.

6 0
3 years ago
Which organelles of a cell possess their own DNA?
Tanzania [10]
The Chloroplast possess their own DNA. This organelle has green orpiment called Chlorophyll. 
8 0
3 years ago
Indicate whether each of the following statements is true, false, or does not provide enough information for you to make a decis
GaryK [48]

Answer:

1) Sucrose is synthesized in the chloroplast stroma and exported from photosynthetic cells to provide energy and reduced carbon for non photosynthetic plant cells. - FALSE

2) The enzyme rubisco is unusual in that, depending on conditions, it exhibits two different enzymatic activities. - TRUE

3) Ninety percent of the solar energy collected by a photosystem complex is absorbed when photons strike a special pair of chlorophyll molecules at the reaction center of the complex. - FALSE

4) The energy requirement expressed as ATP consumed per molecule of carbon dioxide fixed is higher for a C3 plant than for a C4 plant. - FALSE

5) The ultimate electron donor for the photosynthetic generation of NADPH is always water. - FALSE

5 0
3 years ago
The Linnaean system of classification used a nested hierarchy to sort organisms into groups based on similarities and difference
Mariulka [41]
<h2>Answer </h2>

Option D - The Linnaean system of classification used a nested hierarchy to sort organisms into groups based on similarities and differences in their characteristics. kingdom → phylum → class → order → family → genus → species.

<u>Explanation</u>

The family is missing from the Linnaean system of classification that is used for nested hierarchy. Carolus Linnaean worked for the taxonomy. It is the system of classifying and naming organisms. This system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species. Linnaeus presented us with a uniform way to identify species called binomial nomenclature.

5 0
3 years ago
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Consider the cooling curve above. The substance is changing state from a gas to a liquid to a solid. As the temperature changes
Anni [7]

Answer: B)  there is a decrease in kinetic energy and the molecules get closer together.

Explanation: Kinetic energy is directly proportional to temperature, thus as temperature decreases, kinetic energy also decreases.

Gas is the state of matter in which particles are very loosely bound and hence can easily move past one another very easily and have highest kinetic energy.

Liquid is the state of matter in which particles are loosely bound and hence can move past one another easily and have high kinetic energy.

Solid is the state of matter in which particles are tightly bound and hence can not move easily and have low kinetic energy.

Thus on moving from gaseous to solid state, the kinetic energy decreases and the molecules get closer together.


3 0
3 years ago
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