What is the role of the respiratory system?

a.

to bring water into the body

b.

to bring oxygen into the body

c.

to bring carbon dioxide into the body

d.

none of the above

Alpine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10inches wide, 12 inches long, and 5 cm deep. Which scenarios will happen?

How long does it takes the sun to rotate the earth?

Sound travels at about 335 meters/second in air. what is the wavelength of a sound that has a frequency of 1,000 cycles/second?

One man wanted to weigh the air. He blew a balloon and weighed it. Then he blew air out of the balloon and weighed again. The weight in both cases was the same. From this the man concluded that the air weighs nothing.

If a fuse or circuit breaker directly opens a circuit when the current limit is reached, do overload heaters open and break the circuit when their current limit is reached?

Suppose the initial position of an object is zero, the starting velocity is 3 m/s and the final velocity was 10 m/s. The object moves with constant acceleration. Which part of a velocity bs.

Identify which type of scientist would use spectroscopy for each purpose. Identification of the composition of the sun and stars: Determination of chemical bonds: Prediction of the efficiency of possible laser materials: Identification of harmful

The distance a wave moves from resting position

Which of the advantages to social media as a new media could also be viewed as a disadvantage

At which approximate light intensity does the oxygen production begin to level off? a. 40% b. 60% c. 80% d. 100%