Answer:
The hospitality industry commonly use a range of chemical products, for example, all-purpose cleaner, ammonia-based cleaner, bleach, metal polish, dishwashing cleaner, disinfectant, drain cleaner, glass cleaner, oven cleaner, scouring powder, deodorant and fuel.
Explanation:
Okay, so there are four ”Valve’s” in the heart
The; Aortic valve, the Pulmonary valve, Tricuspid valve, and the Mitral valve.
Hopes this answers your question.
Just look at the options it gives you and press the one that is not one of these options.
so babies can explore without fear of choking or eating something harmful