What is one supposed to do if they are unable to cry, even in distressing situations? How do they cope without outside help from others?

What would be an example of hypothesis for goldfish respiration lab

Witch type of microscope is used to view very small cell components like proteins and dna?

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation