If a element has 11 protons, what else is 11?

Why is it difficult for a person with hiv to fight infections?

What is the difference between variation and adaptation?

Is reproduction necessary for the survival of a species?

What minerals are in dirt, and does thay affect how well a pure-dirt, solid object?

Which type of vitamins will be absorbed from the intestine into lacteals (lymphatic capillaries) ?

The fact that sand gets very hot but also cools quickly illustrates which of the following? A. the sun heats everything equally B. being near water makes san cold C. heating and cooling are similar processes D.

Milk is a good source of calcium but a poor source of iron. meat is a good source of iron but a poor source of

The standard unit of measurment for volume is the liter teaspoon tablespoon milliliter

Under Weber's law, we'll notice a stimulus difference such that it will be a constant proportion of the intensity of the initial stimulus. Thus, for weight, we'll notice a one-ounce difference in a weight of 50 ounces.

Unlike the cell membrane, the cell wall is