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Len [333]
2 years ago
15

Kayla is 4 years old and has recently begun coordinating the two sides of her body more efficiently. this development may be att

ributed to:
Biology
1 answer:
frosja888 [35]2 years ago
7 0

The answer to this question is the growth of the corpus callosum. The Corpus callosum is the thick nerve that separates the two hemisphere of the brain which is the left and right hemisphere of the brain. Corpus Callosum is the part which allows the transmission of messages of the brain.

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An increase in the biodiversity of an ecosystem leads to an increase in its productivity.
Liono4ka [1.6K]

Answer: Your answer is True.

Explanation:

8 0
3 years ago
As evidenced in the graph, the national average CO concentrations have decreased substantially over the years. All BUT ONE tacti
Gekata [30.6K]

Answer:

Explanation:

Carbon monoxide (CO) is a colourless, non-irritant, odourless and tasteless toxic gas. It is produced by the incomplete combustion of carbonaceous fuels such as wood, petrol, coal, natural gas and kerosene. Its molecular weight is 28.01 g/mol, melting point −205.1 °C, boiling point (at 760 mmHg) −191.5 °C (−312.7 °F), density 1.250 kg/m3 at 0 °C and 1 atm and 1.145 kg/m3 at 25 °C and 1 atm, and relative density (air = 1) 0.967 (1,2). Its solubility in water at 1 atm is 3.54 ml/100 ml at 0 °C, 2.14 ml/100 ml at 25 °C and 1.83 ml/100 ml at 37 °C.

The molecular weight of carbon monoxide is similar to that of air (28.01 vs approximately 29). It mixes freely with air in any proportion and moves with air via bulk transport. It is combustible, may serve as a fuel source and can form explosive mixtures with air. It reacts vigorously with oxygen, acetylene, chlorine, fluorine and nitrous oxide. Carbon monoxide is not detectable by humans either by sight, taste or smell. It is only slightly soluble in water, blood serum and plasma; in the human body, it reacts with haemoglobin to form carboxyhemoglobin (COHb).

The relationship of carbon monoxide exposure and the COHb concentration in blood can be modelled using the differential Coburn-Forster-Kane equation (3), which provides a good approximation to the COHb level at a steady level of inhaled exogenous carbon monoxide.

Conversion factors

At 760 mmHg and 20 °C, 1ppm = 1.165 mg/m3 and 1 mg/m3 = 0.858 ppm; at 25 °C, 1 ppm = 1.145 mg/m3 and 1 mg/m3 = 0.873 ppm.

8 0
3 years ago
Read 2 more answers
A diploid nucleus of Drosophila melanogaster contains about 3.4 x 108 nucleotide pairs. Assume (1) that all nuclear DNA is packa
Olin [163]

Answer:

nucleosomes = 1.65 x 10^6

H2a = 3.3 x 10^6 molecules

H2b = 3.3 x 10^6 molecules

H3 = 3.3 x 10^6 molecules

H4 = 3.3 x 10^6 molecules

Explanation:

It was mentioned in the book Principles of Genetics  By D. Peter Snustad, Michael J. Simmons that in the nucleus of <em>D. melanogaster </em>there will be 1.65 x 10^6 nucleosomes and 3.3 x 10^6 molecules of every type of histone i.e. H2a, H2b, H3, and H4 present in it.

3 0
2 years ago
4. an important role in fungi in an ecosystem is ( 1 point )
vovikov84 [41]
An important role in fungi in an ecosystem is B. Breakind down dead organisms.
6 0
2 years ago
FIll in the blanks PLEASE HELP I NEED IT NOW! YOu will get 20 POINTS!
marta [7]
I’m pretty sure the first one is weathering and the second one is deposition
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2 years ago
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