Answer:
Plant Cell
Explanation:
Plants cells have cell walls and chloroplast (the reason for its green color). They are also rigid.
Using radioactive materials causes ground pollution when chlorofluorocarbons (CFCs) seep into the ground.
Deforestation causes water pollution by decreasing water vapor in nearby lakes and rivers.
Using aerosol sprays increases the amount of ozone (O3) in the atmosphere.
The best example of a way human lifestyles affect environmental systems is that burning fossil fuels increases the amount of greenhousegases in the atmosphere.
Therefore, the best example of a way human lifestyles affect environmental systems is that burningfossil fuels increases the amount of greenhouse gases in the atmosphere.
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B: Dendrite, axon, and cell body
C: Sensory and Motor
D: Cortex, medulla, and sheath
B. a three-nucleotide sequence.
C. a four-nucleotide sequence.
D. a five-nucleotide sequence.
Answer:
The lower esophageal sphincter, or gastroesophageal sphincter
Explanation:
The esophagus is a structure, part of the alimentary canal (gastrointestinal tract) that connects the pharynx to the stomach and through which the food passes. The esophagus is a fibromuscular tube that is involved in the food transport via peristaltic contractions (radially symmetric muscle contractions and relaxation).