Simple. Air has mass. And if air has mass it also has weight. You can feel air when the wind blows. Or do an experiment. Weigh an empty container. Then pump it to a vacuum. Weigh it again. The difference is the weight of the air inside.

4 0

2 years ago

Small molecules of dna exist in bacteria as circular units. they contain few genes but are extremely important since they carry

Sergeu [11.5K]

These circular DNA molecules are called C: Plasmids

6 0

3 years ago

In the darkness, a pinpoint of light becomes visible. Someone has turned on a flashlight. The pinpoint grows to the size of the

Firlakuza [10]

Answer:

to explain how light travels

Explanation:

8 0

3 years ago

Question is in picture

mojhsa [17]

Answer:

it can show a population pyramid
They also show the number of dependents (children and, sometimes, elderly people) and general structure of the population at any given moment.
it compares and contrast the age of th female and male where it typically forms the shape of a pyramid when the population is growing which can give you a general idea on both genders
it can help see who (female or male) are the most type in that area

Credit:

brainly.com/question/23995769

4 0

2 years ago