Answer:
B) How often a disease occurs in a particular area or group of people
Explanation:
Epidemiologists study diseases in many different situations. Their main goal is to prevent diseases by using this information to plan and evaluate strategies.
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~Silver
Horned owls, red-tailed hawks and golden eagles
Grass-Biotic
Table-Abiotic
Rocks-Abiotic
Butterfly-Biotic
Mushroom-Biotic
Clouds-Abiotic
Sand-Abiotic
Shark-Biotic
Trees-Biotic
Temperature-Abiotic
Explanation:
<h2>They are aquatic — found in moist or wet places.</h2>
<h2>They are autotrophic, and the reserve food is generally Starch.</h2>
<h2>They consist of a cellulose cellwall around their cells.</h2>
<h2>Mechanical and conducting elements are absent in thallophyta.</h2>
<h2>Plant body is thallus, not differentiated into root, stem and leaves</h2>