Which sentence uses the denotation of the word heart?

a: her heart was in the right place.
b: the heart pumps blood in the body.
c: he knows the song's words by heart.
d: the main character had a heart of stone.

You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then mix the solution. describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.

The story is about a postmaster who is trying to adapt to the new life in the village of ulapur. in what way is the postmaster's life different from his life in urban calcutta?

Buck did not cry out. he did not check himself, but drove in upon spitz, shoulder to shoulder, so hard that he missed the throat. they rolled over and over in the powdery snow. spitz gained his feet almost as though he had not been overthrown, slashing buck down the shoulder and leaping clear. twice his teeth clipped together, like the steel jaws of a trap, as he backed away for better footing, with lean and lifting lips that writhed and snarled. read this passage. explain what the conflict shows about buck and spitz.