Evolution occurs at which level?

Community

Population

Species

Individuals organism

If element x has 28'protons how many electirons does it have

1 kilogram equals how many grams

How does the matter and energy in a system naturally change over time? A. It increases in energy. B. It becomes more spread out. C. It becomes more efficient. D. It decreases in entropy.

If the wavelength of a sound wave increases and the frequency of the sound wave does not change what happens to the speed of the wave? a. it will stay the same b. it will decrease c. it cannot be determined d. it will increase

What is the primary goal of using as-is and to-be process models?

What is internal energy?

If objects A and B are separately in thermal equilibrium with a third object C, then A and B are in thermal equilibrium with each other. This law is called a. First law of thermodynamics b. Zeroth law of thermodynamic c. Second law of thermodynamics

Physical science unit 4 lesson 10

Your shopping cart has mass of 65 kg. In order of accelerate the shopping cart down an aisle at 0.3 m/sec^2, what force would you need to use or apply to the cart?

What are the requirements of a practical fuel