Who was the first man to go into the orbit?

a. alexander leonov

b. deke slayton

c. valentina tereshkova

d. yuri gagarin

Which best describes the main difference between science and pseudoscience

Based on the definition of specific heat and the information provide below, if the same amount of heat is added to 1 kg of all these substances, which substance will raise in temperature to the highest value?

what will happen to the brightness of the other bulbs in a series circuit if any of the bulbs were to burn out?

How do the nuclei of different isotopes of an element vary?

What is the result of galaxies colliding?

When analyzing forces, it is allowable to break the motion and forces into horizontal and vertical components.

What is the density of a rock which has a mass of 35 grams and a volume of 7.0 cubic centimeters?

Which statement best describes the relative conductivity of semiconductors? a. They are the most conductive elements. b. They are the least conductive elements. c. They are more conductive than metals but less conductive than nonmetals. d.

A tire swing is released from some initial height such that the speed of the tire at the bottom of the swing is 2.5 m/s. What is the initial height of the tire? Note: g = 9.8 m/s2 A 0.13m B 0.16m C 0.32m D 3.1 m

Paleoclimatologists study the climate and its changes throughout earths history. what observation by paleoclimatologists led scientists to predict that the average temperature of the planet is rising due to the combustion of fossil fuels?