I think the the ribs are not a solid sheet because they need to be able to expand so the lungs can get an adequate amount of air in the lungs. The brain just needs to be protected and doesn’t need to expand so it’s a solid sheet. The skull seems to be the better protector at first because the ribs can break and puncture a lung, harming your breathing but if you do hit your head your brain can start swelling and the skull doesn’t allow any room for expansion. Head injuries are much more dangerous, especially if the brain starts swelling. Rib injuries seem much simpler to fix and less dangerous.
By using the decayed plant materials to create other healthy plants.
Answer:
c la nutrición nos renueva y proporciona materia
The stage is implantation. it embeds into uterus wall. it happened after fertilisation
Answer:
Yes, I think the benefits of using water resources to generate electricity outweigh the costs and drawbacks
<u>Explanation:</u>
The electricity produced using water is called hydropower has benefits like it does not pollute the air. If water is used to produce electricity than every state can produce its own electricity without relying on other states for fuel.
With these benefits, hydropower is very costly and it has several other drawbacks also like it pollutes water and reduces the oxygen level in the water. So it is a threat to wildlife. It reduces recreational activities like swimming, boating, and fishing, etc.
