Answer: from the mouth to stomach
Explanation: mechanical digestion takes place when the food travels down from the mouth to stomach. Chemical digestion occurs from the mouth to intestine.
Climate change,Deforestation,<span>Pollution</span>
Answer:
5
Explanation:
15 minus the product of 5 times the difference of p minus 6
Writing expression:
15 - [5 x (p -6)]
Since p = 8, insert the parameters and solve;
15 - [5 x (8 - 6)]
= 15 - (5 x 2)
= 15 - 10
= 5
Petroleum is a very important part of our day to day life now. We use it almost every day and it has helped emerge the world of vehicles.
<h3>Remains of sea organism</h3>
The remains of ancient marine organisms and sea organisms are used to extract crude oil or petroleum which serve as a fuel for vehicles. These organisms are ancient marine plants, algae and bacteria.
Therefore it can be concluded that the type of fossil fuel in which the remains of sea organisms are converted to is petroleum or crude oil.
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brainly.com/question/2029072
Answer: Based on the provided information, the chemical will help the black walnut trees compete with plants growing nearby By suppressing the growth of the other plants.
What are non toxic chemicals?
Non toxic chemicals can be regarded as these chemicals that are not harmful to the plant.
According to this question, we were informed about Black walnut trees that produce a nontoxic chemical that becomes highly toxic when it is exposed to air or soil.
As a result of this we can see that the growth of other plants will be affected as a result of the chemical by the first plant.
Therefore, option B is correct.
Learn more chemicals at:brainly.com/question/112803
Explanation: