Answer: Do you mean acid as in Ph level?
Explanation:
Answer: Well the railroads made it possible for urban cities to get food and fuel other needed materials.
Explanation: When railroads came in it allowed more things to come and go through cities making it perfect for distributing needed goods for the people who lived there and nearby.
The statement that best describes an effect of urbanization is :
The unemployment rate increased in cities
Since now the cities has way too little job and an abundance of job seekers
hope this helps
Answer:
in vitro
Explanation:
In vitro research study is a type of research study that is conducted with a microorganism or biological cell that is far from its usual biological environment. This kind of research study is conducted in a test tube or Petri dish. Therefore, based on the description provided in the statement above, the type of research is known as in vitro.