Problem: How does the next paragraph end?

How to make a safe environment for your pet bird
Make sure the cage is large enough.
It should be at least 1.5 times your bird's adult wingspan in width, depth, and height, so as to allow your bird to move freely. Bigger is even better.
A: For a list of suggested cage sizes by bird, see. In general : The minimum height should be 3 times the length from head to tail of the bird.

Problem: How does the next paragraph end?

The person measures ingredients in a glass bowl then adds them to an electric mixer to blend. The person brushes on oil to the parchment paper then sets it into a cooking tin. the tins
A: are added to an oven to cook.

Problem: How does the next paragraph end?

How to talk slower
Enunciate each word more clearly.
One of the biggest problems for people who speak too quickly is that they often blur words together in a way that can be difficult to understand. Spend some time practicing how you enunciate words, especially when you string them together in a sentence.
A: Don't skip over any words, not even the small ones. Enunciate each syllable of every word.

Problem: How does the next paragraph end?

How to become a theoretical physicist
Make sure you are serious about learning the subject.
Take every opportunity to learn more about physics and science in general.
If you are in high school or earlier, take all the science classes you can get.
A:
It is likely that your high school classes will approach physics largely from a newtonian perspective, but this is an important foundation for what you will learn later on. If you are at the university level, enroll in university classes in your chosen field.