The currently accepted value for the half-life of 14C is 5,730 years. This means that after 5,730 years, only half of the initial 14C will remain; a quarter will remain after 11,460 years; an eighth after 17,190 years; and so on.
A) proton: positive charge
Diagram 1 represent a substance that consists of the highest thermal
energy.
<h3>What are Solids?</h3>
Solid is a state of matter which is characterized by the particles present
being tightly held together. Solids have a higher heat retention capacity
as a result of the particles being very close to another.
This is the reason why solids are used as conductors of heat and
electricity for different purposes.
Read more about Solids here brainly.com/question/24613205
Answer:
Doing experiments, maintenance and cleaning.
Explanation:
Astronauts perform tasks of the day which is supervising experiments, performing routine maintenance on station equipment and the astronauts wipe the walls, floors, and windows to keep them clean in order to avoid any type of microbial growth. Most of the activities are similar in space to the earth i.e. sleeping, eating the meal three times a day and exercise to maintain health and become active all the day.