4 years ago

What was the first artificial satellite placed in orbit around the Earth? (3 points)

1 answer:

5 0

The answer would be Sputnik 1. This was a Russian space probe launched during the Space Race between the Soviet Union and the United States.

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Viruses are made up of either DNA or RNA surrounded by a coating of protein. when the two main substances that make up a virus a

azamat

The answer would be C

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Salts are clear because there are no free electrons to interact with the light.

vivado [14]

Answer:

The answer is A. True, salts are indeed clear because there are no free electrons to interact with ambient light.

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3 years ago

What kind of a simple machine is an ax blade?

sweet [91]

The axe is an example of a simple machine, as it is a type of wedge, or dual inclined plane.

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3 years ago

 I will give you brainliest if you answer this ASAP 

givi [52]

Answer:

400

Explanation:

Because if you pull one black marble out of four and there are 100 black marbles then there is 300 others, so in total it would be 400 marbles.

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4 years ago

Definition: These are parents, parents of parents, etc.

valentina_108 [34]

Answer:

Ancestors

Explanation:

Ancestors can be described as the persons from which a particular human being originated. In a broader perspective, it is referred to family history of a person. Scientists believe that all organisms on Earth originated from a common ancestor which were the prokaryotes. The prokaryotes with time gave rise to the eukaryotes. Common descent is the phenomenon in which organisms having common ancestors are referred.

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4 years ago