Answer:
Birds are the direct descendants of a type of small
A because your heart doesn’t actually sink, it’s an expression of dread. :)
This is not always true. Planned action such as a premeditated murder has a negative consequence. While, on the other hand, a planned action such as doing your homework first thing when you get home, can have a positive consequence such as having more free time to do what you wish.
No improvement to this sentence is necessary. It makes perfect sense on its own and sounds right. "Either" always takes an "or" else the word wouldn't make sense, as it's meant to contrast binary options.
eg.
I'm either going to eat food or drink water.
