Outdoor air pollution is a complex mixture of several pollutants, the common sources of outdoor pollution are emissions caused by combustion processes from motor vehicles, solid fuel burning and industry.
They major classes of outdoor pollutants include;
Carbon monoxide; carbon dioxide, sulfur dioxide, nitrogen oxides, VOC's, SPM's, photochemical oxidants, ozone and PANs.
Answer:
The diversity and variations between ecosystems that ultimately links to human existence
Explanation:
The type of proteins that can function as the chemical messengers or as the receptors in the plasma membrane is a communication proteins; option A.
Proteins are large macromolecules composed of chains of amino acid units linked together by peptide bonds.
Proteins serve various functions such as:
communication
transport
defensive
enzyme
Communication of proteins such as the hormones can be function as the chemical messengers or as receptors in the plasma membrane.
Proteins are made up of hundreds or the thousands of the smaller units called as amino acids, which are attached to one another in the long chains. There are about 20 different types of amino acids that can be combined to make a protein.
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Answer:
Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy
Explanation: