Biology, 28.05.2021 23:40, erniewernie
1. Explain what makes gaseous exchange possible at the alveolar surface in humans (4 answers)
2. Describe how gaseous exchange occurs at the alveolar surface in humans.(6 answers)
3. What are the physical changes that occur to air during gaseous exchange?(4 answers)
4. State importance of gaseous exchange to a human.(4 answers)
Answers: 3
Biology, 21.06.2019 22:30, ladnerhailey16
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
Answers: 2
Biology, 22.06.2019 09:40, GreatBaconGamer
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
Biology, 22.06.2019 19:00, MelissaSmartypants
Under which of the following circumstances would natural selection not operate on an organism
Answers: 1
1. Explain what makes gaseous exchange possible at the alveolar surface in humans (4 answers)
2. De...
Mathematics, 19.02.2020 01:52
Computers and Technology, 19.02.2020 01:52
Chemistry, 19.02.2020 01:53