[ ] Identify the mismatched one.
i) William Harvey - Valves in the veins
ii) Marcello Malpighi - Capillaries
iii) Rene Laennaec - Stethoscope
A) only i
B) only iii
C) both i and ii
D) both ii and iii

(i). Charles Estienne is the one who discovered the valves in a vein

Explanation:

a) is the answer

b exhibiting favoritism toward the kikuyu people.

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.