Scientists use radioactive decay to date fossils and artifacts through a process called carbon dating it measures the amount of carbon still left in a dead object. The less carbon that exists, the longer that animal or plant as been dead.
Explanation:
a tendril is a specialized stem ,leaf used by climbing trees or plants for support.
a pea tendril - is way smaller than a pumpkin tendril it's thread like structure are narrowly small..
Answer: The mass number is 13
Explanation:
Mass number = Protrons + neutrons;
While Atomic number = Number of neutrons
Therefore, if the atomic number of nitrogen is given as 7, then its Protrons = 7
So, mass number = 7 + 6 = 13
Answer:
False. Gases have no fixed shape or fixed volume but they can take up the space in a container.