Answer:
The relationship between environment, variation and selection lay the foundation for natural selection and evolution.
Genetic variations are present among species due to number of reasons like recombination or crossing over during meiosis, mutations, random fertilization etc. These factors bring changes among the members of a species. Some of the species become better adapted to survive in a particular environment whereas some are not better adapted and become extinct over a period of time. The environment selects the organisms that are best adapted to survive and hence lead to variations.
It can be from Chlorine and Bromine. These two chemicals created are highly popular and deplete the ozone layer at an uncomfortable. This is also known as ODS. (ozone-depleting substances) Basically all that happens is these chemicals strip atoms apart. Thus depleting the ozone layer.
I hope this is the answer you were looking for and that it helps!! :)
Answer:
Table Sugar!
Explanation:
Sucrose, also known as common sugar, is used by humans to sweeten foods. Yummy ice cream, making coffee a little less strong, there are lots of things you can use sugar for! It is composed mainly of glucose and fructose.
Seafood, white mean, eggs, milk/dairy, Beef
