A hollow tube that holds the eyepiece lens and or mirrors

During which event does the moon appear closer? Select one: a. Apogee b. Penumbra c. Perigee d. Umbra

Periodic Table:Question 6 Which characteristic of an element determines its placement in the periodic table? Select one

According to the kinetic theory of gas particles, when do gas particles have some type of force between them?

How many grams of CO2 will be produced from 2.5 g of C3H8 in the following reaction?

How many electrons make up a charge of - 50.0 μc? Express your answer using three significant figures?

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei

An atom that has 13 protons and 15 neutrons is an isotope of the element? How can I count it?

Which element is nuclear fusion least likely to produce? hydrogen, which has an approximate mass of 1 chlorine, which has an approximate mass of 35 argon, which has an approximate mass of 39 silicon, which has an approximate mass of 28 I know the

How deep does the surface current known as the Gulf Stream go A. 3,000 meters B. 3 meters C. 300 meters

What characteristics of a planet determine the strength of its gravitational force on other objects? A. diameter of the planet and its location in space B. the number of moons that the planet has C.