What does the word manuscript mean in the sentence below? sentence: the man couldnt wait to sit down and finish his manuscript

A. Something that will produce sound
B. something done by ones self
C. something written by hand
D. something written by faraway

What feature of cell theory is best demonstrated in the image

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays