Answer:
3.14g (3.s.f.)
Explanation:
change in mass = 0.25
mass at start = 7.96
percentage change in mass = 0.25/7.96 × 100
= 3.14g (3.s.f.)
There was low concentration of salt in the water compared to the cell because when blood cells are put in a hypotonic solution like pure water can cause the cell to swell up and burst due to the little concentration on no concentration
Oceans act as conveyor belts of cold and warm water, <span>sending heat toward the polar regions and helping tropical areas cool off.
helps distribute heat around the globe
stores solar radiation</span>
Sedimentary rocks are formedwhen sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rockinto loose material in a source area.
Answer:
In DNA
Adenine =Thymine
Guanine ≡Cytosine
In RNA
Adenine =Uracil
Guanine ≡Cytosine
Explanation:
that lines in between the base shows how many bonds are present between Two bases
like,in Guanine and Cytosine 3 bonds are present I.e, triple bond