What do plant cells have that animal cells don't?

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11