Reaction of sodium, lithium and potassium will be demonstrated by your instructor. why are students not allowed to handle these elements?

1: where laws in the past the same as they are today? 2: why is a person accused of crime considered innocent until proven guilty? should the same standards apply in a civil case? why ao why not

List how many significant figures the numbers contain. A. 205 cm. B ...00004 cm. C. 20 cm. D. 20. Cm.

You are conducting an experiment inside a train car that may move along level rail tracks. A load is hung from the ceiling on a string. The load is not swinging, and the string is observed to make a constant angle of 45∘ with the horizontal.

Tamika's mom asked her when her book report is due. Tamika remembered it is due next Friday. What two parts of the brain were involved in forming this memory?

How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km/hr

Consider a rough asphalt roadway with 17 cm curbs and one 3.75 m lane in each direction and a 1.45 m shoulder on each side. The road has a longitudinal slope of 0.75% and is crowned in the center with a transverse slope of 2.25%.

An example of an opinion would be which of the following? bob s burgers is the best show on television. cake is appropriate for many occasions. earth is 238,900 miles from the moon. none of these

Which is a concern about mining for uranium? -Heated water could be released into the environment. -Dust released in the air could be radioactive. -Supplies could become low during a drought.

In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately a rectangle 160 km long, 40.0 km wide, and 250 m thick. What is the mass of this iceberg, given that the density of ice is 917 kg/m3?

The weight of an astronout is 60kg on earth, find the wight of the same object on the planet where the gravitational attraction has been reduced to 1/10 of the earths pull