What happens to the chromosome number in ovaries during the
production of gametes?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

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?

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle