A mammal is any animal that has hair,three middle ear bones,and mammary glands.Mammals give live birth as well.
Production of chemical compounds by reaction from similar materials
Hope this helps
Looks great! Keep up the good work. :)
Answer:
there is a good and bad effect on the world, the positive reason being economically. smoking is a great money maker it was worth US$88 billion dollars in 2018. the negative reason is the pollution and what it does to the human body such as cancer
Explanation:
