Which of the following situations involves an external attribution? A. Desiree believes she did well on the exam because she is intelligent.
B. Thomas believes he did well on the exam because he knows a lot about math.
C. Nick believes he did well on the exam because the exam was easy.
D. Cassidy believes she did well on the exam because she tried very hard.

 C. Nick believes he did well on the exam because the exam was easy.

Explanation:

Nick is relating his performance on the exam to an external factor (the difficulty of the exam being easy).

All the other answers are relating the exam to internal factors such as intelligence, personal knowledge, and effort.

answer: c. two haploid cells

explanation:

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.