Answer:
The correct answer is ''carbon dioxide, water vapor and nitrogen.''
Explanation:
About 4.5 billion years ago, Earth was a very geologically active planet. So many volcanic fumes formed the primitive atmosphere, which was mostly made up of water vapor, carbon dioxide, sulfur, and nitrogen. At this point, oxygen was barely present and the oceans did not yet exist. The primitive atmosphere is the one before the Precambrian, it was reductive, that is, it lacked free oxygen, and only had ammonia, methane and hydrogen, the high temperature of the atmosphere in its early stages facilitated the reaction of these gases to form organic compounds from which life may have emerged. UV rays passed, because ozone did not exist.
Answer: A primary caregiver
Explanation:
It is very important that an infant have a primary caregiver as they develop in their early childhood. This is because it will be easier for the infant to bond with the person and begin to trust them for their safety.
This will ensure that their brains develop much more effectively especially in the areas responsible for emotional and social interaction and attachment.
<span>A hypotonic solution is one in which there is more water per particle of solute compared to the cell. So the water will rush into the cell and it will become turgid.
A hypertonic solution has many particulates of solute, more than the cell. So water will rush out of the cell and the cell is said to be flaccid.</span>
