the presence of food in the stomach typically causes release of gastrin, but low pH inhibits release of gastrin.
Where air pollution is not especially severe, predators have much more impact on leaf-beetle populations than parasites do
Answer:
an Abiotic Factor
Explanation:
The non-living components of the environment are known as abiotic factors. Abiotic factors include things such as rocks,water,soil,light,rocks etc...
The correct option is this: HAS THE CLAIM BEEN TESTED NUMEROUS TIMES BY MORE THAN ONE SCIENTISTS.
For a claim to be accepted has been valid in the science world, it must have been tested several times by many scientists who obtain the same results. Having a uniform result about a phenomenon is usually considered an important factor when examining the validity of a claim.