Answer:
7 + 114= something then divide by 2
Explanation:
Answer:
$400
Explanation:
This is a simple multiplication question.
200kWh × $2/kWh = $400/200kWh
We are worried about the top number, because that is how much it costs the family to use 200kWh of electricity each month.
Final answer: $400 for 200kWh.
Answer:
They have a closed circulatory system.
Explanation:
In an open circulatory system, blood vessels transport all fluids into a cavity. When the animal moves, the blood inside the cavity moves freely around the body in all directions.
Closed circulatory systems are different to open circulatory systems because blood never leaves the blood vessels. Instead, it is transferred from one blood vessel to another continuously without entering a cavity.
Gills. Gills greatly increase the surface area for gas exchange. ... Gills are very efficient at removing oxygen from water: there is only 1/20 the amount of oxygen present in water as in the same volume of air. Water flows over gills in one direction while blood flows in the opposite direction through gill capillaries.
Answer: Option B.
Geographic separation.
Explanation:
It is geographic separation that is common to both of them because
Sympatric speciation to occur when certain populations of species isolate reproductively from the the main populations because they can not longer interbreed with each other and they inhabit the same geographical location.
Allopatric speciation occur when two populations of the same species separate from each other geographically which can be as a result of one group of population move to another geographical location.