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Burka [1]
1 year ago
6

Breathing deeply is up to ________ more times efficient as breathing shallow.

Biology
1 answer:
joja [24]1 year ago
4 0
The answer would be Four.
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Calculate the rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 7mm from
ZanzabumX [31]

Answer:

With 6 we should multiply gross photosynthesis (as we were measuring gross photosynthesis for 10 min).

Explanation:

According to this question:-

Net photosynthesis- 3mm/20min- 1.5mm/10min

Cellular respiration- 1mm/15min- 0.66mm/10min

Gross photosynthesis = Net photosynthesis + Cellular respiration = 1.5+0.66 = 2.16 (mm/10min)

Rate of photosynthesis = (gross photosynthesis)6 = 2.16 *6 = 12.96 mm/hr

As we gage the photosynthesis rate in hr.

5 0
1 year ago
Which reproductive isolating mechanism is most likely responsible for the divergence of bonobos and chimpanzees?
olga nikolaevna [1]
The reproductive isolating mechanism most likely responsible for the divergence of bonobos and chimpanzees is ECOLOGICAL ISOLATION.
The ecological mechanism of reproductive isolation is also known as TEMPORAL ISOLATION or HABITAT ISOLATION. This includes the barrier for reproduction that leads to isolation such as different habitats or any physical barriers.

7 0
1 year ago
Medical tests were conducted to learn about drug-resistant tuberculosis. of 142 cases tested in new jersey, 9 were found to be d
KengaRu [80]
Phat1 = 9/142
Phat 2 = 5/268
Phat 3 14/410
Test statistics = (Phat 1 - Phat 2) / (Square root of (phat × (1- phat))
times the square root of (1/n1 + 1/n2))
Test statistics = 2.373
P- value = 2× (1- normal cdf (2.373, 0, 1)) 
= 0.0176
At the level of significance, there is difference between the proportion of drug-resistant wihtin the two states.
3 0
1 year ago
As they were examining joe in the er, joe was poked with a pin in a sequential pattern from his chest down to his abdomen. joe c
PilotLPTM [1.2K]
It is most likely the <span>ventral ramus into the dorsal root ganglion. A spine nerve arises from the spine cord as branch-like structures which converge to form the ventral or dorsal root. This is the pathway for the motor and sensory neuron.</span>
8 0
2 years ago
A student prepared a slide of pollen grains from a flower. First the pollen was viewed through the low-power objective lens and
bearhunter [10]

Answer:

(2) low power: 100 small pollen grains

high power: 25 large pollen grains

Explanation:

Compound light microscopes are devices used to greatly magnify objects. They have several objective lenses, a low-power lens magnifies 10 times (10X) the objects, and the high-power lens magnifies them 40 times (40X).

For that reason, when observing the pollen grains with the high-power lens the student will see them bigger than with the low-power lens. However, the field of view (the visible area through a lens) is reduced when a higher power lens is used, so fewer pollen grains will be seen.

The answer therefore is the option of higher number of pollen grains of small size for the low-power lens, and lower number of pollen grains of larger size for the high-power lens.

3 0
1 year ago
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