Examlex
In not more than three lines for each answer, briefly outline one important scientific contribution of each of the following.
a) Planck
b) De Broglie
c) Heisenberg
Heart Surgery
A medical procedure performed on the heart or its vessels to correct congenital defects, repair or replace heart valves, unclog arteries, or treat heart diseases.
Grassroots Affiliations
Organizations or movements that originate from the local or community level, typically lacking centralized leadership and emphasizing volunteer-based participation.
Large
Referring to something of significant size, extent, or capacity.
Chronic Disease
A long-lasting condition that can be controlled but not cured, often leading to persistent health challenges.
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