Which of the following is necessary for plants to exhibit phototropism

) A) geotropism B) thigmotropism C) phototropism D) photoperiodism

If the wavelength of the red line of hydrogen coming from a galaxy is 654.3 nanometers instead of the normal 656.

Which ballet move is most similar to a track runner jumping over hurdles? Balancing on one leg Complex footwork patterns Straight leg dance kick Split leap

Psychologists define stress as?

A pendulum swings through 10 cycles in 2 seconds. the frequency of the pendulum is?

Which of the following holds true for volume if the temperature of a given amount of gas increases and pressure remains constant? A) Volume will be negative B) Volume will decrease C) Volume will stay the same D) Volume will increase

You can or can't pass on a scar to your offspring?

In addition to births and deaths what else can influence the population growth rate?

A 1300 kg car carrying four 84 kg people travels over a "washboard" dirt road with corrugations 3.2 m apart. The car bounces with maximum amplitude when its speed is 13 km/h.

Skeletal muscle cells have large stores of ATP that are readily available and alone can provide energy for maximal exercise lasting 30-60 seconds.

A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 475 N on the glove such that the glove is displaced 8.97 cm, how much work is done by the ball? Answer in units of J.