Answer:
A barometer
Explanation:
It is commonly used to measure atmospheric pressure
Number of protons - 3
number of neutrons - 4
number of electrons - 3
Answer: Such constant change has characterized Earth since its beginning some 4.5 billion years ago. From the outset, heat and gravity shaped the evolution of the planet. These forces were gradually joined by the global effects of the emergence of life.
Explanation:
D. all of the above hope it helos
Option A
DNA is always synthesized in the 5' to 3' direction, meaning that nucleotides are added only to the 3' end of the growing strand.
