Which of the following compounds contains the lead(II) ion? Pb2O

Pb2S

PbO

PbCl4

your picture is not part of the scientific method.

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

no podemos ver la

explanation:

no te podemos ayudar: /