Answer:
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
Explanation:
Its C
An ionic bonded compound as the bond is formed from a metal and a non metal plus its a strong electrostatic attraction between 2 or more elements
hope that helps
I think i turns into a smaller element with a negative charge, but its been so long since 7th grade science.
Answer:
imp not sure but i think the density is 5
Explanation:
im probably wrong but i think this because the water rose to the 50 ml mark when before it was 45 then again i am only in 8th grade but it makes sense to me
Answer:
14.7838
Explanation:
Given that;
A student uses a solution that contains 16 g of water to conduct an experiment and at the end of an hour ; the amount have decreased by 3.5%
The mathematically illustration for this is given as
= 16 g × 3.5%
= 
= 0.56
After an hour; the amount have decreased by 16 - 0.56
= 15.44
after 2 hours the water decreased by another 4.25%
i.e 
⇒ 0.6562
after two hours , the amount would have decreased by:
= 15.44 - 0.6562
= 14.7838
