Which is the best fluid source for casual exercisers to replace lost body fluids? a. Glucose solution b. Fruit juice c. Salt solution d. Plain water e. Coffee

In the kidney mechanism for buffering the acidity of the blood, when would hydrogen ions be excreted and bicarbonate ions be reabsorbed?

Do you think that a high-sodium diet could damage the body over time? Why or why not?

Explain the importance of independent and dependent variables in an experiment.

1. brain is the main organ of this system respiratory system 2. produces hormones endocrine system 3. breaks food down for body's use excretory system 4. sends nutrients to all the body's cells circulatory system 5.

For lithium isotopes, 92% are Lithium-6 and 7.6% are Lithium-5. How many neutrons am I most likely to find in a lithium sample?

Which of the following energy forms is not involved in hitting a tennis ball? a. kinetic energy e gravitational potential energy b. chemical potential energy d. elastic potential energy tantial energy is that

Which tool enhances weather forecasts by enabling monitoring, which is necessary for predicting global weather and environmental events? map satellite weather balloon automated weather station

What are the only kind of cells that mitosis cannot create/duplicate?

Define adaptation as a change that improves the change of survival for a species in a specific environment

The figure shows an energy pyramid for an ecosystem. What happens to the amount of energy in the pyramid as it moves up through the different levels?