SC.7.P.11.4 1. Leyina is preparing a mug of hot chocolate. She used a metal spoon to stir in the
marshmallows and realized that the spoon was heating up as the marshmallows were
melting. Which of the following explains her observations
A. Heat was transferred from the metal spoon to the hot chocolate and marshmallows.
B. Heat was transferred from the marshmallows to the hot chocolate and metal spoon.
C. No heat was transferred since the hot chocolate was at a higher temperature than the
marshmallows.
D. Heat was transferred to both the metal spoon and the marshmallows since the hot
chocolate was at a higher temperature.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.