The answer is D,Nucleus I think
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
<span>Plants, animals, and humans all need </span>shelter<span> to survive. Plants in ... When an area has many different species living in the same habitat, it has a </span>great<span> deal of biodiversity. ... Just about every other plant on earth </span>would<span> wilt and die if it were exposed to the ... The ground of the </span>rainforest<span> is called the </span>forest<span> floor.</span>
Answer: The call it the Inner Core
Explanation: Earth has 4 layers the Inner Core, the mantle, the outer core and the crust.
The crust- it is the surface of the Earth
The Mantle- Down below the crust is the Mantle
The outer core- known to protect the inner core
The inner core- also known as the center of the Earth
