The total lifespan for our sun (from birth to death) is estimated to beGroup of answer choices50 billion years10 billion years5 billion years30 million years

How many years have passed after Fortunato's death?Group of answer choices50 years30 years20 years10 years40 years

How long does CO2 remain in the atmosphere?1-5 years5-10 years10-20 yearsMore than 200 years

The direct costs of Enron's bankruptcy were estimated to be Blank______.Multiple choice question.$10 million$1 billion$245 million$2.2 billion

Spontaneous mutations are estimated to occur in one out of every __________ base pairs.ANSWER106 (1 million)107 (10 million)1010 (10 billion)108 (100 million)

The direct costs of Lehman Brother's bankruptcy were estimated to exceed Blank______.Multiple choice question.$600 million$2.2 billion$1 billion$600 billion