(Question)
Excretion is the process of removing wastes and excess water from the body, and water is made up of H2O molecules. Given these facts, what excess does excretion remove from the body among the following options: - fat - pH - H20 - mL - Urea - rice - H2O - Fe
(Answer)
H2O

(Question)
Eating food that contains pesticides can have a negative impact on humans, and herbicides are the leading type of pesticides, in terms of both user expenditure and volumes used. Given these facts, what can have a negative impact on humans if contained in food they eat among the following options: - h2o - vitamins - toxins - bacteria - protein - contamination - Smoking - herbicide
(Answer)
herbicide

(Question)
Monotremes are mammals that reproduce by laying eggs, and like the platypus, an echidna is an egg laying mammal. Given these facts, a platypus is an example of among the following options: - a reptile - animals - an amphibian - a monotreme - killing insects - insects - murmur - an arachnid
(Answer)
a monotreme