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Doss [256]
2 years ago
5

We can use the to measure the acidity or basicity of a solution.

Biology
2 answers:
lubasha [3.4K]2 years ago
5 0
Scientists use the pH scale to measure how basic or how acidic a solution is. If a solution is measured at a 7 on the pH scale, the solution is neutral. Any solution that is measured less than 7 is more acidic, while any solution measured more than 7 is is more basic.
Fed [463]2 years ago
4 0
We can use the PH scale to measure the acidity or basicity of a solution.
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Rainbow [258]

Answer:

Hi

Explanation:

Ok

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2 years ago
Which of the following processes occurs in G1 phase of the cell cycle?
TEA [102]

Answer:

c. the cells grow in size and content producing mainly proteins

5 0
2 years ago
HELP SOS PLEASE !!!!! (ONLY CORRECT ANSWERS PLEASE)
Phantasy [73]

Answer:

1- Option A) describes an index fossil. Trilobite existed for a short time, but was abundant and lived in many locations.

2- Option B) Continents were once joined and have since drifted apart.

Explanation:

1) Fossils are animal and vegetable rests found in different strata of sedimentary rocks. Sedimentary layers deposit chronologically, so they are used to reflect history. They keep in each layer some of the forms of life that inhabited that area in the past. These fossils turn to be very useful while dating ages. The term Index fossils refer to those fossils that only existed in a given era or geological period during evolution.  

Index fossils must:    

• Be easily recognizable and distinguishable from all the other fossils

• Have lived in a relatively short geological period

• Present a wide geographic distribution

• Have lived in different sedimentary basins

• Appear in different types of rocks

• Be abundant

<em>A) Trilobite existed for a short time, but was abundant and lived in many locations. </em>The species accomplish the requirements. It is easily recognizable, had a wide geographic distribution, was abundant, and lived for a short time.  

2) The tectonic plates theory states that there is a continual movement of the crust. It explains the movement of the different plates and their directions and interactions. The continental drift theory explains how these movements have been taking place since millions of years ago. When continents were together in a unique continent, many species used to inhabit it. When plates started to separate, they took some of these species that got apart by the ocean. Some species were already dead and fossilized, while some other organisms died during continental drift and got fossilized after the divergence. <em>The existence of the same fossils, placed in the same layers and of the same age, suggests that they used to inhabit the same area and died during the same time, meaning that continents were together when they got fossilized. </em>

5 0
3 years ago
The images show two distantly related species of cactus that live in the same desert.
Viktor [21]

Answer:

Due to convergent evolution/ analogy

Explanation:

Analogy in evolution is the development of similar or analogous structures in distantly related species occupying the same environment. This is because the species have developed similar adaptations, over time, that enables them to survive in their environment.

8 0
3 years ago
Read 2 more answers
Vegetative reproduction is a form of sexual reproduction in plants.
Mamont248 [21]
No vegetative reproduction is a type of asexual reproduction as it does not involve two plants....single parent is needed !!!
3 0
3 years ago
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