Answer:
A) Stage 1
Explanation:
Demographic transition has to do with the changing pattern of factors that impact population such as birth rates, death rates as the population moves from regime to regime. The transition is in four stages:
- <em>Stage 1: which is characterized by high high birth and death rates. ALso known as pre-transition stage.</em>
- <em>Stage 2: Characterized by falling death rate but continued high death rate. Also known as early transition stage.</em>
- <em>Stage 3: characterized by a decline in birth rate and deceleration of population growth. It is also known as late transition period.</em>
- <em>Stage 4: Characterized by low birth and death rate. Negligible population growth. Also known as post-transitional period.</em>
The correct option is A.
3- pollution
9- environment
4- drought
This are some that i figured out im trying out the rest
Answer:
The Earth is made up of many rocky layers. .
Explanation:
The solid, outer layer is called the crust. Below the crust lies a layer of very hot, almost solid rock called the mantle
Answer:
Some mutations can be contagious, like infections
Explanation:
A mutation refers to a change in the DNA sequence. Mutations result from a number of causes. It is a permanent alteration in the structure of the DNA.
Not all mutations are harmful. It has been scientifically proven that some mutations make organisms more infectious.
For instance, the new mutant of Corona virus in UK is more infectious than the former strain.
