Why does living organisms conduct cell respiration?what is the main product that is necessary for a organisms to keep living?

Explain how dust from Northern Africa could possibly have any effect on the Amazon in South America

Rashid [163]

Answer: ''Dust from the hot Saharan Desert of northern Africa has a connection to a much different climate in South America, according to a study by NASA scientists. Using satellite data, the study has found that the dust is acting as fertilizer for South America's Amazon rainforest about 1,600 miles away to the west over the Atlantic Ocean.''

Explanation:

8 0

3 years ago

If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the haematocrit is _______

nordsb [41]

Answer:

If 32 packed volume units of cells are separated from 46 volume units of plasma from a blood sample, the hematocrit is 41,02% percent. The hematocrit value is within the normal range.

Explanation:

Hello!

Hematocrit (or packed cell volume -PCV-)is defined as the percentage of red blood cells (vol%) in a blood sample. One common method of determining it is by centrifuging a heparinized blood sample in a capillary tube at 10 000 RPM for five minutes. This separates the blood sample in two layers, formed elements (RBC and WBC) and Plasma.

The length of the layers is directly measured from the tube and represents the volume of packed cells and plasma. Since the number of white cells is negligible compared to the number of red cells, the formed elements are considered to represent the red blood cells.

The hematocrit can be calculated as the volume of packed cells divided by the total volume of the blood sample.

$\frac{PCV}{TOTAL(pcv+plasma} * 100$

In the question:

$\frac{32}{32+46} * 100$ = $\frac{32}{78} * 100$ = 41,02%

In humans the normal hematocrit range is 40,7% to 50,3% for men and 36,1% to 44,3%. Taking these reference values into consideration, this sample is within the normal range.

I hope you have a SUPER day!

4 0

4 years ago

Which step is meiosis is shown in the image below ?

Vaselesa [24]

Answer:

D is the answer try and see

8 0

3 years ago

Read 2 more answers

Our next stop is along the Oregon coast. Where are we stopping?

shutvik [7]

The answer is Coos Bay.

If your next stop is along the Oregon Coast, probably your next stop is Oregon Bay. Portland, Salem, and Coos Bay are found in Oregon while Eureka is in California. Portland and Salem are both located in Willamette Valley where Salem is the capital city of Oregon. Coos Bay is the largest city in Oregon coast.

6 0

3 years ago

The process by which planetesimals combine with other planetesimals are called

Ne4ueva [31]

The process which planetesimals combine with other planetesimals is called Accretion.
There are other names which refer to as accretion. For example, Accretion geology is termed as the increase in the size of a tectonic plate by addition of materials which convergent boundary.
Accretion atmosphere is termed as the process by which water vapor which is in clouds forms water droplets around nucleation sites.
Accretion astrophysics is termed as the formation of planets and other bodies through a collection of material through gravity.

8 0

4 years ago