Answer:
A major reason for the lack of any substitution effect with aquaculture, says Longo, is that many farmed species, such as salmon and bluefin tuna, are top predators so farming them requires feed made from other fish. ... “But it's hard to take a top marine predator and feed it soy meal,” Wiber says.
Explanation:
Answer:
Layer A is the crust and Layer B is the mantle.
Answer:
explain six changes of the man life after begining of agriculture
The answer is A. the substrate serves as a key to activate the enzyme.
Answer:D
Explanation: Because it has the least amount of density in it. All the others are heavier, meaning they will sink. Just like if you drop a rock water and a feather, the feather will float.
Density def:
Density, mass of a unit volume of a material substance. ... Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).
