True or false as the teacher talks, students hear the voice because particles of air move from the mouth of the teacher to the ear of the student.

The nervous system is affected when tobacco reduces the flow of oxygen to the brain? True False

Which type of rock forms when an existing rock changes under extreme pressure and intense heat?

An anthropologist finds the following at a human burial site: 20 ribs, 24 vertebrae, 2 hyoid bones, and 6 phalanges. what does this evidence suggest about the number of humans buried at this site, and why?

4. If a wave has a wavelength of 9 meters and a period of 0.006, what is the velocity of the wave? A. 1,285 m/s B. 1,800 m/s C. 1,200 m/s D. 1,500 m/s

What's the relationship between a receptor and a neurotransmitter

What unit of measurement would I use to measure the length of a snicker bar

Yeast were exposed to various sugars in culture without oxygen According to the data in the culture with which sugar would the most ATP be measure maitose, because it is a disaccharide and has more high energy bonds glucose, because it is a

If two organisms are in the same class, what can you predict about their relationship

Histologists studies groups of cells that work together to form a particular function. Histologists must focus their attention on the ___ level of organization. A) cellularB) tissueC) chemicalD) organE) physiological

An example of mitosis at work is aleaf turning A. yellow. B. growing C. taking in carbon dioxide D. hosting a caterpillar.