What is not a living part of an ecosystem? fungus, sun, tree or fly?

If a given particle has two up quarks and one down quark, what charge will it have? a. - 2/3 E b. 0 c. + E d. + 2/3 E

Question 8 You put ice in a drink. Which of these is correct? Your answer: a. Cold goes from the ice to the drink b. Heat goes from the drink to the ice O C. No heat is transferred ... Clear answer

If the gravitational force exists between all objects in the universe, why aren't people affected by the gravitational force exerted by cars and buildings?

5. (II) A fisherman's scale stretches 3.6 cm when a 2.4-kg fish hangs from it. (a) What is the spring stiffness constant and (b) what will be the amplitude and frequency of oscillation if the fish is pulled down 2.

The most common liquid on planet earth is

Can the human ear hear radio waves? Give evidence

When four atomic orbitals are mixed to form hybrid orbitals, how many hybrid orbitals are formed?

What goes through evaporation

Explain why chlorine forms a - 1 ion, but sulfur froms a - 2 ion

After exercise your heart rate is