1 of 441 of 44 Questions Question 1
Study the balanced chemical reaction.

2Cu + O2 → 2CuO

There are 6.45 g of copper(II) oxide (CuO) produced. What amount of the product, in g, is copper?

3.23 g

1.60 g

8.07 g

5.15 g

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

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