Q: Historically, malaria has rivaled what as the leading cause of human death by infectious disease?


Read this paragraph and choose the correct option from the provided answers:

Alloys can be one of two general types. In one type, called a substitutional alloy, the various atoms simply replace each other in the crystal structure. In another type, called an interstitial alloy, the smaller atoms such as carbon fit in between the larger atoms in the crystal packing arrangement.

 Choices:

- heart attack

- hepatitis

- cancer

- tuberculosis


A:
tuberculosis