I think the answer is A. Hope this helps !!
The correct answer is B. Pheromones are released into the environment rather than being held within the body.
Explanation
Pheromones are chemical substances secreted by living beings, in order to cause specific behaviors in other individuals of the same species. They are a means of transmitting volatile signals produced in liquid form, which are then dispersed throughout the environment. This is used by different species of plants and animals as a means of communication and almost all send one or more codes by this means, both to attract or reject each other sexually as well as for other purposes. According to the above, the correct answer is B. Pheromones are released into the environment rather tan being held within the body.
Answer:
Explanation:
Superior/Inferior Vena cava-----------Right Atrium ---------Tricuspid valve ------right ventricle -------pulmonary semi-lunar valve------pulmonary trunk-----------pulmonary arteries --------lung capillaries -------- pulmonary veins --------left atrium -------mitral valve --------left ventricle ------- aortic semi-lunar valve -------aorta --------- tissues of body ------------superior and inferior vena cava.
Illegal activities are taking place, I would say this as for example you don’t know if the person is dangerous or is armed and you could be arrested as you may look like you are involved in it
