2. Which diagram best illustrates an event in sexual reproduction that would most directly
lead to the formation of a human embryo?
(1)
(2)
+
) (4)
G
+

4

Explanation:

Because a female sex organ live the ovum shown needs to be in contact with the male sex organ the sperm to fertilize and being in the process of making said human

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.