Answer:
an element is a pure substance which can not be spilt into simpler substances by chemical means
Explanation:
examples hydrogen, oxygen, copper
the way matter generates and responds to electricity and magnetism
Most blood flows across to the left atrium through a shunt called the foramen ovale. then from the <span>left atrium, </span>blood<span> moves down into the lower chamber of the </span>heart. <span>It is then pumped into the first part of the large artery coming from the </span><span>heart</span>
<span>Magnetic resonance imaging
is a technology that uses magnetic fields and radio waves to produce high
quality 2 or 3 dimensional images of the brain structure without using
radioactive tracers and ionizing radiation. The magnetic resonance intensity is
proportional to the density of the protons in various tissues.</span>
Answer:
B. Burns cleaner than coal
