Select the tragedy and the hope of infectious diseases. Nothing can be done to prevent death by infectious diseases, such as proper hygiene and sewage treatment, clean water, and adequate healthcare.
It costs too much money to prevent infectious diseases.
Most of the deaths could have been prevented.
Changes can be made to prevent death by infectious diseases, such as proper hygiene and sewage treatment, clean water, and adequate healthcare.

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one