What is the body's first line of defense against bacteria and viruses? saliva, mucus, and hairs antibodies lymphocytes lymph nodes

If humans can see water but not air, can fish see air but not water?

Which measurement changes based on the strength of gravitational force?

Write a balanced chemical equation for the reaction of magnesium with hydrochloric acid (HCI (aq) to form Magnesium chloride and hydrogen gas:

According to the collision theory and model created to explain the collision theory, what is the best explanation for why a higher temperature makes a reaction go faster? 1. there are more collisions per miute 2.

Which species has the smaller bond angle, h3o + or h2o?

Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?

1. Why does CH30 evaporate faster than water?

How does concentration affect our daily lives in science?

How many nitrogen atoms are in 2.79 mo. of NH3

What is the chemical formula for polysaccharide?