The greenhouse effect is Earth's greenhouse gasses trapping the sun's heat. <em>It helps keep the temperature in the atmosphere stable for life. </em>
All medical research is carefully planned, and this includes medical
research with animals. Experts who review a scientist’s proposed
experiment involving animals weigh several considerations before
approving each study.
The most important thing is that the research must be relevant
to human or animal health. Studies need to protect the animals’
welfare. That means that only the fewest number of the most
appropriate species may be used. Under federal law, all animals
must be treated humanely and undergo the least distress possible
Organism are referred to as Pluripotent cells
