Which of the following is an example of a point/stationary source of chemicals?
Airplane
Factory
Bus
Car

B- Factory

Explanation:

Factory’s usually make objects with the use of chemicals and when the smoke comes out, so does the chemicals in the air. this is also why factory workers have to wear masks/shields when working.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

that is wrong, its not thymus.