From the mid 1700s transport changed dramatically because : a) steam engines was produced
b)metal was invented
c)wheel was invented
d)electric train was invented
if u help me I will give brainliest mark and thanks on any of your 5 answers

Ships can transit between the atlantic and pacific oceans using the canal.

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.