Answer:
B, On September 23, 1999, NASA officials were aghast when the $125 million Mars Climate Orbiter vanished as it prepared to enter the red planet’s orbit.
Explanation:
The use of word imagery and mystery make this a good intro sentence. MAKE SURE IT MAKES SENSE THOUGH! I can't see which sentence is supposed to come after this, so make sure it makes sense with the paragraph
Answer:
Gamora realized that the life-sized teddy bear was too heavy to carry, and couldn't fit into her car.
Explanation:
words like, And, but, nor, for, so. Need a comma before the word.
Answer:
The Blue Whale is the largest mammal. The largest land mammal is the African Bush Elephant.
SO THE BLUE WHALE IS THE LARGEST
Answer:
Even though recycled water is accepted for uses like irrigation, recycling toilet water to tap water may make people feel reluctant and disgusted about the idea of drinking it.
Besides, the phrase "toilet to tap" may reduce the strength of the advantages of recycling water. The reason is people may make prejudices based on their feelings about the dangers of drinking recycled toilet water.
