According to the Big Bang Theory, the universe is approximately _________ years old. a13,800 b1.38 million c1.38 billion d13.8 billion

The time of greatest expansion of the universe right after the big bang is called*1 pointThe bangsecondPlanktimeOrigintimeBigBangtime

What is the approximate length of the geologic time scale?A.50 billion yearsB.50 million yearsC.5 million yearsD.5 billion years

According to Hootsuite, how many active social media users are there in the world?1 point100-500 million500 million – 1 billion1-2 billionOver 3 billion

The first animals arose on Earth approximately ______ years ago.Multiple choice question.570 million900 million140 million750 million

The half-life of carbon 14 is 5,730 years. Approximately, how old is a bone that has 70% of its original carbon 14?