Biology, 14.06.2021 22:40 cedarclark9534
In a sewage treatment facility, an optimal environment is maintained for the survival of naturally occurring species of microorganisms. These organisms can
then break the sewage down into relatively harmless wastewater. For these microorganisms, the wastewater facility serves as
1.
its carrying capacity
2.
a food chain
3.
an ecosystem
4.
an energy pyramid
Answers: 1
Biology, 21.06.2019 20:00
How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex
Answers: 2
Biology, 21.06.2019 22:30
Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake
Answers: 1
Biology, 22.06.2019 19:30
When sodium chloride dissolves in water, the sodium chloride dissociates into a. na- ions. b. cl+ ions. c. nacl ions. d. sodium chloride ions.
Answers: 2
In a sewage treatment facility, an optimal environment is maintained for the survival of naturally o...
Mathematics, 23.09.2019 10:30
History, 23.09.2019 10:30
Mathematics, 23.09.2019 10:30
History, 23.09.2019 10:30
Mathematics, 23.09.2019 10:30
Mathematics, 23.09.2019 10:30
History, 23.09.2019 10:30
Mathematics, 23.09.2019 10:30
Biology, 23.09.2019 10:30
Mathematics, 23.09.2019 10:30