A skateboarder wants to see how her motion changes during a competition. help her by graphing her distance at one second intervals. this will show her how her speed changes throughout the competition 1. what is the IV?
2. what is the DV?
3. will you use a line graph or a bar graph?

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.