The lining of the heart is the pericardium.
<span>If Noam chooses a filter, it might be more effective than a screen. After using it for a while, though, he will have to replace it, which could be expensive. A screen might be less effective, but it can be cleaned instead of replaced.</span>
Answer:google
Explanation: i would take eveything you put n here ad go one google and search this up
<span>C. It is the science of classifying, in particular the classification of organisms.</span>
The ultimate source of energy is sunlight, and living things must break the sunlight down using their own methods to use it.
