Which of the following best describes what led to London’s “killer fog” in 1952?

a.
Pollution from the air contaminated the water supply which is what killed people.
b.
Millions of coal fires and stagnant air caused toxic fumes to build up in the air.
c.
Poor city design led to faulty ventilation in houses.
d.
Soot from forest and wildfires in the surrounding areas blew over the city.

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

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

Hey everybody i need with a biology question. all the gametes of isogamous organisms are genetically identical. true false