Answer:
its a option neutralization takes place between acid and base plz mark me branliest
Every chemical reaction requires a reactant, also called a reagents.
Answer:
a)

b)
hours
Explanation:
Given
Surface Area (S) of 250 grams of powder sample
square meter.
square centimeter
grams/minute
mg per second
gram per cubic meter
mg/ml
a)


cm /sec
b) Time taken
Time taken to sink

Time in hours
hours
Image result for what role does seagrass play in the food chain
In addition to their ability to protect creatures from predators, seagrass fronds also serve as an important food source for marine life such as turtles and manatees, which graze on the leaves. ... An entire marine ecosystem, with a fully-functioning food chain, can emerge from a single bed of seagrass.
I'm not completely sure but I think it is 27.4572. Hope I helped a little.