<span>Active transport involves the mitochondria. </span>
<span>If you have hepatitis A infection you have inflammation in your liver that's caused by a
virus. Other symptoms of this virus are jaundice (yellow eyes and skin, dark urine), pain in
your belly, loss of appetite, nausea, fever, diarrhea and fatigue. </span>A vaccination against
this virus is unnecessary if you have been infected in the past.
The gene that controls production of white blood cells.
The water cycle is driven primarily by the energy from the sun.
Answer:
Estuaries are of ecological importance because they are a habitat for a number of aquatic animals. Estuaries provide a protected environment to fishes and other organisms where they can safely reproduce. As many river streams flow into an estuary, hence an estuary has abundance of foods and nutrients for the aquatic animals that inhabit here. Estuaries also help the growth of those fishes which are used by humans in abundance hence raising the economy.
