3. Explain A friend notices that a nail that was left outside for a few month:

seems larger and heavier than it was before. He says the nail is rusting disproves the Law of Conservation of Mass. Explain why he is wrong.

Technological advances are now making it possible to link visible-light telescopes so that they can achieve the same angular resolution as a single telescope over 300 meters in size.

10 How are bacterial cells different from plant and animal cells? A Bacterial cells Bacterial cells contain many more cell organelles. Bacterial cells contain almost no cell organelles. Bacterial cells have more complex cell organelles.

The extremely slow movement of material downslope is called a. creep b. mudslide c. landslide

A stone is thrown vertically upward with velocity 9.8ms 1) calculate the time taken to reach maximum height. 2) what is the maximum height reached 3) what is time taken to reach ground 4) what velocity it reaches the ground

Most of the Earth's volume is contained in the A. mantle B. crust C. inner core D. outer core

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?

1) what is a calorie?

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.

The vector quantity that defines the distance and direction between two positions.