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monitta
3 years ago
8

What evidence places fish as the first vertebrates​

Biology
1 answer:
Whitepunk [10]3 years ago
7 0

Answer:

Fossils

Explanation:

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PORQUE ES IMPORTANTE QUE LA PERSONA TENGA UNA ESTABILIDAD EMOCIONAL, SOCIAL, ECONOMICA PARA PODER ENFRENTAR ANTE UNA SITUACION D
eduard

Answer:

Es importante que una persona tenga estabilidad emocional, social, y economica ante una situacion de embarazo para poder darle buena vida a el ser que lleva dentro.

Explanation:

Es importante tener estabilidad mental para pensar que hacer y como cuidar al bebe, y ser positvos.

Es importante tener estabilidad social para brindarle un ambiente amistoso.

Es importante tener estabilidad economica para poder aportar a las necesidades del bebe.

3 0
2 years ago
The operation of nuclear power plants in the United States is closely monitored and regulated. Please select the best answer fro
Marysya12 [62]
The above statement is true.
The operation of nuclear power plants in the United States is closely monitored and regulated. The NRC or Nuclear regulatory commission is the body that is tasked to monitor and regulate the construction and operation of nuclear power plants. Nuclear power plants use the heat generated from nuclear fission in a contained environment to convert water to steam, which powers generate to produce electricity. 
7 0
3 years ago
Read 2 more answers
Which statement describes asexual reproduction, but not sexual reproduction?
Kruka [31]

Answer:

__________________________

An Asexual reproduction means that the parent organism will simply split into two child organisms, and that there will be no mixing of the DNA, as it is the case in case of the sexual reproduction which mixes up the DNA. Therefore the child and the parent organism will contain exactly the same genetic material

__________________________

5 0
3 years ago
Why is a food chain is the simplest model of energy flow between trophic levels in an ecosystem?​
maxonik [38]

because it represents only one pathway of energy flow:

Explanation:

4 0
1 year ago
HELP!!
Alex73 [517]

Air travel is usually the largest component of the carbon footprint of frequent flyers. A single return flight from London to New York – including the complicated effects on the high atmosphere – contributes to almost a quarter of the average person’s annual emissions. The easiest way to make a big difference is to go by train or not take as many flights.


2 The second most important lifestyle change is to eat less meat, with particular emphasis on meals containing beef and lamb. Cows and sheep emit large quantities of methane, a powerful global warming gas. A vegan diet might make as much as a 20% difference to your overall carbon impact but simply cutting out beef will deliver a significant benefit on its own.

8 0
3 years ago
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