A new highly nutritious crop is going to be planted in an area where it has never been planted before. Which is the most likely outcome of such an event? positive as it malnourishes the local population
positive as it changes local biodiversity
negative as it threatens local biodiversity
negative as it malnourishes the local population

thats not even an aswer choice

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.

segmented body, an exoskeleton made from chitin, and joint appendages.