The answer is A:algae growing on the glass. A Biotic Factor is any living thing in a ecosystem and a Abiotic is any non-living things like
B:gravel on the bottom of the aquarium
C:temperature of the water
<span>D:amount of oxygen in the water</span>
Answer:
I only know the physical properties
Explanation:
The physical properties of hydrogen are
It is colourless odourless and tasteless in nature
It is lighter in air and insoluble in water
It has an atomic mass of 1.008 amu
Carbon dioxide
The physical properties of carbon dioxide are
It is a colourless and odourless gas
It is slightly toxic
It is denser than air
Water vapour
It is transparent
Answer:
3.
Explanation:
Hello,
In this case, it is convenient to write the chemical reaction as:
Which balanced turns out:
Thus the number that should be in front of the calcium sulfate is 3 in order to balance the reaction.
Best regards.
Answer:
D im pretty sure cuz i prob had this test already
Explanation:
Where are options? without that, i can’t help you sorry