Answer:
He proposed that all cells come from existing cells.
Explanation:
He proposed that all cells come from existing cells, completing the cell theory.
Answer:
<u>3. Hot spots , 4. S shaped mid oceanic ridge, pacific ocean</u>.
Explanation:
- The Hawaiian islands are located on the hotspots that are formed by the collision of two strong plates and the presence of volcanoes and high magnitude earthquakes as the pacific plate is continuously moving on the western side as its subducting under the North American plate and hence shrinking in size.
- The s-shaped Atlantic ocean has mid atlantic ridge and as this ocean spreads the lava is up welding across the ocean floor and hence the opening of the atlantic plate is seen.
Because the sun is really hot and we'd die if they weren't there
<span>Folic acid (vitamin B9) deficiency during pregnancy can result in a baby born with defects in the brain or spinal cord. The worst version of these defects is anencephaly, where the baby is born without part of its brain and skull, and dies. The most common birth defect after folic acid deficiency during pregnancy is Spina Bifida. This occurs when part of the baby's spinal cord remains outside the body. The baby may have paralyzed legs and, later, may develop bladder and bowel control problems.</span>