Melissa uses a sunscreen with an spf rating of 20. what does this does this mean?

Where is the rectum in the digestive system

The formula unit CsO, ALS, RbI, or BeCl is neutral

Which organism has cerebral ganglia in its head connected to ladder-like arrangements of nerve fibers? spider frog seahorse flatworm

How much heat energy is required to raise the temperature of 0.367 kg of copper from 23.0 C to 60.0 C? The specific heat of copper is 0.0920 cal / (g x C) If 125 cal of heat is applied to a 60.0 g - piece of copper at 23.

How do biotic and abiotic factors affect an organism's survival?

When you kick a soccer ball across a field it will eventually come to a stop. Does this prove or disprove Newton's first law of motion? It disproves Newton's first law of motion because gravity is stronger than friction.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

If a new substance is formed in a chemical reaction, what atoms do they consist of?

What is a scientific explanation for a range of hypotheses and observations supported by testing

A chemical reaction involves the rearrangement of atoms to form new molecules. During a chemical reaction, however, atoms are neither created nor destroyed. Which of the following is true about the atoms involved in a chemical reaction? A.