Answer:
higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual
Explanation:
The best way to do a observation can be a microscope or by taking notes ,and by , taking pictures or, asking questions about the subject that you and the teacher or you, your teacher and the class is talking about .! Hope this helps ..
Answer:
FeS + 2HCl = FeCl2 + H2S
Explanation:
On the prodcuts side (right) Chlorine and Hydrogen already had 2 coefficents to start with. So you needed to change your reactant Chlorine and Hydrogren to two also.
Answer:
the answer is B because primary is when de breaking of rocks n secondary about the area
Explanation:
B
Your answer would be B) Renewable, Hope this helps!! :D