Answer is: <span>the acidity of water reduce the mass of seashells.
</span>
Balanced chemical reaction:
CaCO₃(s) + 2HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l).
Calcium carbonate (CaCO₃) dissolves in hydrochloric acid and gas carbon(IV) oxide is formed.
Calcium carbonate is inorganic salt insoluble in water, but soluble in acidic solutions.
Answer:
<h2>119.87 cm³</h2>
Explanation:
The volume of a substance when given the density and mass can be found by using the formula
From the question we have
We have the final answer as
<h3>119.87 cm³ to two decimal places</h3>
Hope this helps you
Answer:
<u>C. DNA is made up of smaller molecules called chromosomes.</u>
Explanation:
Chromosomes are thread like structure in the nucleus of the cell. DNA is the part of chromosomes so it is not made up of chromosomes. DNA is made up of Nucleotides.
All other statements are true because DNA is the integral part of every Organism.
Answer:
=10 joules
when multiplying with newtons ( the unit of force)
by a perimeter, it will becone joules, but the specific amount depends on how many newtons and metres there are
