Fluorine, chlorine, bromine, and iodine are part of a family called a. noble gases. b. metalloids. c. halogens. d. alkali metals.

Where do seasons alternate between a very dry season and a monsoon season, with a stable warm climate? tropical rainforest taiga desert savanna

if a boat was moving at a velocity of 30 m/s to the south and it sailed for 30 minutes, what was the displacement of the boat?

In a rainstorm with a strong wind, what determines the best position in which to hold an umbrella?

Which vector should be negative? Question 1 options: any vector whose magnitude is less than 1 a displacement in the direction North the velocity of a falling object any vector whose magnitude is greater than 1

What is the tool used for classifying organisms called? A. dichotomy B. dichotomous key C. dichromic key D. periodic table

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?