Which of the following is the closest estimate of the number of galaxies present in the universe?

One hundred

Ten thousand

Ten million

One hundred billion

a flower pot is theown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?

All atoms of the element potassium have 19 protons. One of the most stable types of potassium atoms has the mass number 39. How many neutrons make up one of these potassium atoms? A. 19 B. 29 C. 38 D. 58

Fruit Punch Container Fruit Punch (number of packets) Amount of Water (ml) A 1 500 B 1 1000 Jimmy was at home and wanted to make some fruit punch. He gathered the fruit punch mix, water and two containers.

What will be the weight (acceleration due to gravity on the moon is 1/6 that of the earth

Calculate the speed of a sound wave produced from a guitar if it creates 38 compressions each second with 0.57 meter wavelength

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity

What are starburst galaxies and what do they have to do with galaxy evolution?