This molecular formula belongs to the Alkane, (or paraffin) class of hydrocarbons.
Step 1: Isolate the two kinds of DNA.
Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.
Step 3: Mix the foreign DNA with chopped plasmids.
Step 4: Add DNA ligase.
Yes because a homogeneous mixture is a mixture that has the same uniform appearance and composition throughout while with heterogeneous you can see the different parts of the mixture and pick them out
If I had to put my own opinion in this, I could say that it us true. Seeing how most changes to the earth are bringing strong winds and heat.