How do humens get energy food or working out

Which of the following two cycles are the most closely related in their role in sustaining life?

Inflammation of the nerve root, menginges and spinal cord is the definition of which medical term?

Describe how the dominant life forms changed during the Mesozoic and Cenozoic Eras.

How does the plastic effect fish?

How do i do intercourse with out having any diseases

Which is not a similarity between terrestrial and aquatic pyramids? a. both have producers as the base that can harvest the sun's energy to make food b. both types still consist of producers, herbivores, and carnivores c.

Is coal considered a mineral or not?

Which of the following would cause a plant to grow teller

Explain why chances of nose bleeding increase with altitude in humans

Trees gives us oxygen, then how can we breathe in desert?