Which of these BEST summarizes human population growth on the planet Earth? As the dominant Life form on the planet, humans have always existed in

relatively large numbers just like today.

The population of humans on Earth has grown at a slow and steady rate

since the dawn of recorded history to today.

Human population growth on Earth has experienced periods of rapid

increase as well as sharp declines resulting from wars and disease.

Human population growth was gradual for most of the time people have

existed, only in the last two centuries has population growth been rapid.

one state would change   like louisiana to texas. thats a change

explanation:

that tool would be a compass

2b2t

explanation:

2b2t

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.