I think second hand smoke was a big deal because smoking in a public place was harmful to everyone around.
When bacteria decompose, they leave behind nutrients. These nutrient then filter unto the roots of the plants via the water that it sucks up. A loss in certain nutrients could be the death of this plant.
The majority of the kingdom Plantae are producers:)
Answer:
maybe d
Explanation:
D is maybe the answer according to me.
Examples of positive and beneficial mutation:
- Antibiotic resistance by bacteria
- Almond tree gene mutation
- Humans immunity to HIV
Examples of negative and harmful mutation
- Cystic fibrosis
- Frame shift mutation
- Cancer
Examples of neutral mutation;
- Bovine and human insulin
- Silent point mutation
- Missense mutation
<h3>What are mutation?</h3>
Mutations are results from change in gene structures that leads to variations in form that can be transferred or passed down to generations. This is usually caused by alterations in the single base unit of DNAs by insertion, deletion or rearrangement of genes or chromosomes.
Positive and beneficial mutations result in retained from of adaptation like antibiotic resistance by bacteria, harmful mutation causes harm such as cancer, while neutral has little or no effect example, silent mutations.
Learn more on mutations here: brainly.com/question/17031191
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