1. why is the first hour of a heart attack the most critical

Explanation:

The first few hours after the heart attack begins is the critical period, in this period, literally every second counts, and the quicker the blood flow restored and the treatment instituted, the better the chances of survival, and the better the chances of keeping the heart muscle alive. Ive never had one  and hope noone ever does.. please be safe

The first few hours after the heart attack begins is the critical period, in this period, literally every second counts, and the quicker the blood flow restored and the treatment instituted, the better the chances of survival, and the better the chances of keeping the heart muscle alive

Explanation:

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;