What will decrease over time as a result of improved

cardiorespiratory fitness?

endurance

perspiration

body temperature

resting heart rate

When you touch a cold piece of ice with your finger, energy flows a. from your finger to the ice. b. from the ice to your finger. c. actually, both ways scribd?

Sir William Herschel counted the number of stars in different directions, and getting similar numbers in each direction along the disk, concluded the Sun was near the center of a disk like collection of stars.

A weather balloon slowly expands as energy is transferred as heat from the outside If the average net pressure is air. 1.5 x 103 Pa and the balloon's volume increases by 5.

Time measurements from a stopwatch are not precise. Why not?

Monochromatic light of a given wavelength is incident on a metal surface. however, no photoelectrons are emitted.

Solutions with a low pH have which of these properties? - have an - OH value -feels slippery -tastes sour -turns litmus paper blue

Steel is a mixture of iron and carbon. It can be separated into iron and carbon by melting it. What is steel? A. A compound B. An element C. A molecule D. An alloy

Consider two small masses of air, both at a pressure of 1000 mb. One mass is on the beach in Costa Rica (lucky air mass) and the other is on a glacier in Greenland (Sad!). Which mass has the higher density?

Metric Unit for Weight (Not grams)

In a vacuum, which of the following statements about terminal velocity must be true? A. Objects have the same terminal velocity that they do when there is air. B. Objects do not have a terminal velocity, since there is no air resistance. C.