B: during the early stages of meiosis, chromosomes in a homologous pair exchange segments, the process is called Crossing over.
Choice B:
More photosynthesis leads to more oxygen in the atmosphere and oceans.
I think the correct answer from the choices listed above is option A. Scientific advancements helped reduce the impact of hazardous events on society by having <span>led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage. Hope this answers the question.</span>
Fungi do have cell walls. Therefore A is ❎
Fungi and protist are eukaryotic. Therefore B is ✅
Fungi do not undergo photosynthesis. Therefore C is ❎
Fungi are heterotrophs, not autotrophs. Therefore D is ❎
Hope it helped,
BioTeacher101
