In your own words, explain how Earth's magnetic field is created and how it benefits human life.

The basic units of structure in all living organisms are the what? Is it organelles, chromosomes, or cells.

What is a type of food that humans eat and would make them a tertiary consumer?

The bladder is an organ in the excretory system. What is the function of the bladder? A. to take in oxygen and excrete carbon dioxide B. to break down food into useful nutrients C. to pump blood throughout the body D.

According to cell theory, scientists do not classify a virus as living because it does not have A) a membrane. B) genetic material. C) cellular structure. D) any organic molecules.

In gel electroscopes, the smallest fragments travel?

Proteins are A. built in the nucleus by DNA and transported to the ribosomes. B. converted from nucleic acids to amino acids in the nucleolus. C. transported to other parts of the cell by the endoplasmic reticulum from ribosomes.

The fractured surface of which moon suggests a worldwide ocean of liquid water beneath its icy surface

Which of the following phase changes would absorb energy as it occurs? Solidifying Melting Freezing Condensing

The body of an annelid has?

What element increases after giving blood?