Answer:
Volcanoes can be constructive if they happen in the ocean, as they can form islands and therefore be new places for plants and animals to grow and thrive.
Volcanoes can be destructive if they kill a large amount of animals by forming on land.
Hope this helps :)
Answer:
The measures which is taken by country need to prevent global warming are given below.
1) The government of the country should planted more trees because plants are only organisms which reduces the concentration of harmful gases which causes global warming.
2) Reduce the use of fossil fuels such as petrol, coal and methane gas.
3) Use solar energy instead of fuel for the production of electricity and other industrial products.
Answer: 47 Chromosomes
Explanation: People with Down syndrome typically have three copies of chromosome 21 in each cell, for a total of 47 chromosomes per cell.