Pulmonary artery carry deoxygenated blood while are there arteries carry oxygenated blood.
pulmonary vein carries oxygenated blood while the other veins carry deoxygenated blood
Answer: <em> It cant change</em>
Explanation:
A theory does not change into a scientific law with the accumulation of new or better evidence
The water cycle is referred to as a continuous cycle because it repeats everyday. It's a cycle with no end.
Answer:
In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a single species dominated the field and the other two species had a lower relative abundance. A possible factor contributing to the abundances of these species in this example of secondary succession is <u>inhibition</u>.
Explanation:
Trees are great examples of allelopathy in plants. Some use their allelochemicals to inhibit germination or impede development of nearby plant life. Most allelopathic trees release these chemicals through their leaves, which are toxic once absorbed by other plants. Black walnut is a prime example of this.
A chemical bond to form in a chemical compound must be formed by two or more atoms attracted to one another.