<h3><u>Answer;</u></h3>
It was developed by many scientists over many decades.
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Explanation;</u></h3>
- DNA is a type of nucleic acid that contains two long, twisted strands, known as double helix, that contain complementary genetic information.
- A gene is a segment of DNA that is passed down from parents to children and confers a trait to the offspring.
- The traits an organism displays are ultimately determined by the genes it inherited from its parents, known as genotype.
- Our understanding of DNA and inherited traits has changed over time since it has been continuously developed by many scientists over may decades.
Answer: Definition and models Contamination alludes to the presence of a substance or substances in the climate that is unsafe or harmful. The substances or poisons might be hurtful to human wellbeing, different creatures, and plants. When something hurtful enters the climate at a quicker rate than it tends to be scattered, there is contamination. or Contamination is that the presentation of hurtful materials into the climate. These unsafe materials are called toxins. Poisons might be normal, as volcanic debris. they'll even be made by human activity, similar to waste or overflow created by industrial facilities. Contaminations harm the norm of air, water, and land. Explanation: Both describe what pollution means I hope this helps you
Answer:
Explanation:
In the spring, grass often dies near the roads that have been salted because, after salt has been applied and it fell on grasses, the salts penetstrate through the plant cell, and dehydrate water from the cells of the plant. Which result in loss of water in the cell and this make the cell not to be able to perform it's functions because of loss of water and hence because water us essential for it and it is lost, grasses dies.
<span>Time period refers to as how much a certain thing took to complete one cycle</span>
