A. Kinh tế học vi mô và chuẩn tắc b. Kinh tế học vĩ mô và chuẩn tắc

c. Kinh tế học vi mô và thực chứng

d. Kinh tế học vĩ mô và thực chứng

Afood web shows who eats who in any given habitat. every living thing, from one-celled algae to giant blue whales, needs food to survive. each food web is a possible pathway that energy and matter can follow through the habitat. a food web begins with producers: organisms that convert sunlight into usable chemical energy. the food web is completed by the decomposers who turn organic wastes, such as decaying plants, into inorganic materials, such as nutrient-rich soil. decomposers complete the cycle of life, returning nutrients to the soil or oceans for use by producers. in this food web, identify the decomposer.

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

Which set of lines provides the best textual evidence for why death ought not be proud? a)and soonest our best men with thee do go, rest of their bones and souls' delivery! b)one short sleep past we wake eternally and death shall be no more: death thou shalt die! c)death be not proud though some have call'd thee mighty and dreadful for thou art not so: d)from rest and sleep which but thy picture be 5 much pleasure then from thee much more must flow