Which of the following are known about the Loch Ness Monster's habits and appearance?

The neck is the neck of a serpent—about six feet long, columnar, powerfully muscled
The neck is mobile
It has a long snout and scales on its back
It has lenticular eyes
It makes a low, melodious calling noise
Its body undulates as it swims

These are all characteristics that have been attributed to the Loch Ness Monster, but none have been proven or confirmed through scientific evidence. The existence of the Loch Ness Monster remains a subject of debate and speculation.

which choices r right

Sorry for the confusion, none of the choices are completely right or wrong. They are all based on reported sightings and testimonies, but there is no scientific evidence to confirm the existence or characteristics of the Loch Ness Monster. Therefore, it remains a subject of speculation and debate.

which ones should i pick?

If you have to choose one of the options given, you could choose "It has a long snout and scales on its back," as this is a commonly reported physical characteristic of the Loch Ness Monster. However, it is important to note that none of the options are confirmed or proven characteristics of the creature, as there is no scientific evidence to support them.

My teacher gave me a "C" on my ten-page paper and wrote "verbose" at the top. I was wrong to suppose she'd give more points for writing a lot.

appropriate
inappropriate

Appropriate. The teacher gave constructive criticism and communicated the reason for the grade given.