B. New substances are formed. In a chemical reaction, the starting molecule must be changed or turn into another. For example: rusts that form in a tin can is a chemical reaction. The iron in the can combines with the oxygen in the atmosphere, creating rust (iron oxide), which is a different substance.
Answer:
one common ancestor
Explanation:
Although Darwin’s theory is often described as the theory of evolution by natural selection, most commentators recognize that common ancestry (the idea that all organisms now alive on earth and all present day fossils trace back to one or a few “original progenitors”) is an important part of the Darwinian picture.
They both have cytoplasm, cell membranes, and DNA.
To write your argument first write an appropriate thesis statement, then look for reliable information to support it and include this information.
<h3>What is the purpose of an argument?</h3>
The purpose of an argumentative text is to prove the author's position.
<h3>How to write an argument?</h3>
- Define your position about an issue and write it briefly; this would be your thesis statement. For example if the topic is pollution a possible thesis statement is "Government policie are key in reducing the city's pollution.
- Look for reliable and credible sources to support the thesis statement. To do this make sure the information is updated and the author is credible.
- Start writing a text that explains your position by citing the information found in the sources.
- Continue adding ideas and roofread the text until your position is completely supported and explain.
Note: This question is incomplete because the topic you need to write about is not given; due to this, the answer is based on general knowledge.
Learn more about argument in: brainly.com/question/1305239
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Answer:
Listen to pronunciation. (al-VEE-oh-ly) Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.
