Pencil lead is dull and brittle. That's why it breaks off when you drage it across paper. Therefore, pencil lead is made out of an element that is a?

- non-metal

- metal

- metalloids

- metalloid

Three months after fertilization and development of a placenta around the developing fetus, the corpus luteum regresses and forms the

Define and distinguish between health and cure

Which client action should the nurse judge to be a healthy coping behavior for a male adolescent after an appendectomy?

Students in a high school Marine Science class are learning about the scientific process. Four students were asked to write a testable prediction about ocean temperature. Their responses are shown in the chart.

Why dont some rivers no longer reach the ocean?

A scientist claims plants can communicate with each other in a variety of ways. justify the claim of the scientist and describe the types of responses that result from the communication of two different plants.

Which of these scenarios illustrates natural selection due to behavior

What is a device that converts energy of motion into electrical energy

Which type of connective tissue makes up the greatest proportion of the skeleton of a human embryo?

Which substance is not absorbed by the body when using snuff?