Answer:
This allows electrical impulses to travel efficiently and quickly along the cells.
A nutritionist at a children's hospital or in your community
Herbivores are primary consumers because they eat producers (plants)
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Decomposer
v
Quaternary consumers
v
Tertiary consumers
v
Secondary consumers
v
Primary consumers
v
Producers
Hope this helped. Have a great day!
A flood irrigation is the answer
Half-life = time in which half of material is lost
1/4 = 1/2 x 1/2 so 2 half lives have gone by if only 1/4 of it is left.
age of rock = 2 x half life = 2x1.3 = 2.6 billion years.