What does the amplitude of sound refer to? the sound’s frequency

the sound’s duration

the sound’s volume

the sound’s pitch

Could someone me with number one you

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Plants that have reproductive structures called cones are?