Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
Answer:
Being careful when making decisions
Explanation:
i took the test trust me
<span>Mercury oxide --- > liquid mercury plus oxygen.
If 10 grams of mercuric oxide were being heated, and 9.3 gram of liquid mercury is being produced. To find the grams of oxygen produced is, you take the mass of mercuric oxide minus the mass of liquid mercury which is 10 grams - 9.3 grams = 0.7 grams.
The answer is 0.7 grams.</span>
<span>Most protist diseases in humans are caused by protozoa. Protozoa make humans sick when they become human parasites.<span>Trypanosoma protozoa cause Chagas disease and sleeping sickness.</span></span>
