Problem: Dan found three rattle snakes: one only had one rattle, the second snake had 4 rattles and the third snake had seven rattles on its tail. Which snake had more rattles, the first or the third snake Dan found?

A: the third

Problem: David was trying to see how steam engines work. For that, he conducted two tests, test A and test B. In test A, he used low temperature. On the other hand, in test B, he used high temperature. David started thinking about how he could use the results of his tests in everyday life. Would test A see higher or lower kinetic energy than test B?

A: lower

Problem: The government of Ecuador has been actively pushing to increase biodiversity. They have been quite successful in their pursuit. Moreover, the citizens of Ecuador are receptive about the idea of increased biodiversity. On the contrary, the Government of Oman was not very active in increasing the biodiversity of their country. As a result, Oman, at present, is not very biodiverse. Would Ecuador have less or more stable ecosystem funcions than Oman?

A: more

Problem: Lena had two aunts, Rosie and Angela. Aunt Rosie has been feeling dizzy lately so she went to the doctor, where she found out she had hypertension. She was very scared. Aunt Angela was a different temperament she was hypotensive. Which aunt had a lower chance of developing heart disease?

A:
Angela