Si sabe que un átomo tiene 6 electrones en el segundo nivel de energía y no tiene electrones en el tercer nivel de energía, explique cómo sabe que este átomo debe ser oxígeno y cómo se puede unir.

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

How had the study of mitosis affected scientists knowledge of cancer

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.