Question 1. What is absolute age?(2 points) Responses.

Question

Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. The time required for half of the atoms of a radioactive substance to break down into other elements.
The geologic age of a fossil, or a geologic event or structure expressed in units of time, usually years. Also known as actual age. Question 2. What is half-life?(3 points) Responses.
The geologic age of a fossil, or a geologic event or structure expressed in units of time, usually years. Also known as actual age. The time required for half of the atoms of a radioactive substance to break down into other elements.
Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. Question 3 3. What is an isotope?(3 points) Responses.
Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. The geologic age of a fossil, or a geologic event or structure expressed in units of time, usually years. Also known as actual age. The time required for half of the atoms of a radioactive substance to break down into other elements.

Answer 1

Here are the correct answers for each question based on the definitions provided:

Question 1: What is absolute age? (2 points)
Response: The geologic age of a fossil, or a geologic event or structure expressed in units of time, usually years. Also known as actual age.

Question 2: What is half-life? (3 points)
Response: The time required for half of the atoms of a radioactive substance to break down into other elements.

Question 3: What is an isotope? (3 points)
Response: Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei.