a function of the pericardium is to: provide a barrier against extracardial infections. improve blood flow through the heart.
The eruption of Mt. St. Helens is considered to be one of the worst destructions that is ever recorded in the United States. The entire seemed to have become a barren and lifeless space however, there are still a few plants who survived from the hot rocks coming from the volcanoes. These plants are called willow, vine maple, and black cottonwood. These plants were considered survivors for they had managed to re-sprout from the slightly wet area after the eruption. They became the pioneering life in reconstructing and reforming the landscape of the area.
Answer: Light and Temperature
Explanation:
With more light, the photosynthesis occurs faster. In most cases the grower will try to have the photosynthesis occur as fast as possible. With a lot of light available, the temperature may go up. On darker days, a lower temperature is desired. Only with really high amounts and really low amounts, light can be influenced; respectively screening and supplemental lighting.
