Answer:
the red blood cells get there color from heme, and animals blood cells lack nuclei and other internal structures.
Explanation:
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Answer:
Car pollutants cause immediate and long-term effects on the environment.
Explanation:
Car exhausts emit a wide range of gases and solid matter, causing global warming, acid rain, and harming the environment and the health of living organisms, like humans.
Long-term exposure to polluted air can have permanent health effects such as:
- Accelerated aging of the lungs.
- Loss of lung capacity and decreased lung function.
- Development of diseases such as asthma, bronchitis, emphysema, and possibly cancer.
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<u>Answer</u>: D. calcium chloride
<em>Calcium chloride molecules can be ruled out as the mystery molecule</em>
<u>Explanation:</u>
<em>Artificial membranes are also called as the synthetic membranes.</em> It is created synthetically for the <em>special separation purpose in the laboratory. </em>
It is used to separate large molecules like <em>solid particles and big biological molecules like protein, DNA. </em>
They are produced from organic materials. <em>Calcium chloride contains the chloride ion and calcium ion,</em> as the chloride ion easily passes the artificial membrane so we can term <em>calcium chloride as the mystery membrane that passes the artificial membrane easily.</em>
Answer:
Natural selection is a theory originally popularized by Charles Darwin. According to this theory, animals in the natural environment change over time as beneficial traits are preserved, and traits which do not advance the species are slowly weeded out. Natural selection, a concept first theorized by Charles Darwin, is the adjustment of genes throughout generations based on factors that help it survive. Sometimes this is survival of the fittest or the organisms that are better suited to the environment in other ways.
Explanation:
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Wrong carbon dioxide goes into the plants leaves and comes out as fresh air
