What do all ecosystems have ?
a. biotic p21 only
b. abiotic p21 only
c. produce...
Biology, 16.10.2019 19:30 19thomasar
What do all ecosystems have ?
a. biotic p21 only
b. abiotic p21 only
c. producers only
d. biotic and abiotic p21
Answers: 2
Biology, 22.06.2019 01:00
Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation
Answers: 1
Biology, 22.06.2019 01:30
Modern whales developed their traits through natural selection what occurs during the process of natural selection
Answers: 3
Biology, 22.06.2019 02:30
Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels
Answers: 1
Biology, 22.06.2019 09:40
For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes
Answers: 1
Mathematics, 09.03.2021 17:30
Biology, 09.03.2021 17:30
Social Studies, 09.03.2021 17:30
Computers and Technology, 09.03.2021 17:30
Mathematics, 09.03.2021 17:30
History, 09.03.2021 17:30
Chemistry, 09.03.2021 17:30
Geography, 09.03.2021 17:30
Mathematics, 09.03.2021 17:30
Mathematics, 09.03.2021 17:30
Mathematics, 09.03.2021 17:30
Mathematics, 09.03.2021 17:30