Your colleague thinks that there may be a fracture present at the arrow in the previous figure. What do you think? Is this a fracture or a normal anatomical feature?

answer; ///i believe the answer is (antioxidant);

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

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.