Top
predator
carnivores
In the energy pyramid here, how
much of the energy in eac...
Chemistry, 06.10.2020 20:01 ellarose0731
Top
predator
carnivores
In the energy pyramid here, how
much of the energy in each level
gets LOST as heat or used by the
organism for survival?
herbivores
producers
Energy -
10%
90%
20%
80%
Answers: 1
Chemistry, 21.06.2019 17:50
Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems
Answers: 1
Chemistry, 22.06.2019 07:30
The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
Chemistry, 22.06.2019 14:30
What state of matter is ice a. liquid b. element c. solid d. gas
Answers: 1
Business, 23.06.2021 18:50
Health, 23.06.2021 18:50
English, 23.06.2021 18:50
Computers and Technology, 23.06.2021 18:50
Mathematics, 23.06.2021 18:50
Mathematics, 23.06.2021 18:50
Mathematics, 23.06.2021 19:00