When was the last time that humans have left Earths orbit?

A 1969

B 1972

C 1992

D 2003

Which of these is an example of a hydrosphere-cryosphere interaction? A. precipitation falling on rocks B. water vapor escaping into space C. water transporting seeds down river D. water currents melting the glaciers in Antarctica

Which characteristic is a property of water? A. densest as a solid B. low surface tension C. nonpolar molecules D. strong cohesion E. weak adhesion

If 224 g of iron reacts with oxygen, forming 320 g of iron oxide, how much iron oxide would 112 g of iron produce?

Two friend on roller skate are standing 5m apart facing each other. one of them throw a ball of 2 kg toward the other, who catches it, how will this activity affect the position of the two? explain your answer

Is supports combustion a chemical or physical property

Which element among elements 2, 4, and 6 has the lowest ionization energy?

What is the pressure, in mm Hg, of 2.50 moles of an ideal gas if it has a volume of 50.0 liters when the temperature is 27.0° C?

What element has the same valence electrons as carbon A) N B) AI C) Si or D) Be

What element is represented by the following electron configuration: 1s22s22p63s23p64s23d4 Question 2 options: Cr Ca Ge Ar

He substance, cocl2, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist air. What is its name?