Upon closer inspection of the leaves of flower of stone, one can observe tiny, cone-like structures. Each cone-like structure emits spores of two different sizes. Based on this information, which of the following can be properly inferred about flower of stone? 1. It is heterosporous.2. It is a fern.3. The cone-like structures are sori.4. It is a lycophyte.5. It has separate male and female gametophytes.

c

explanation:

i think

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

what are the options? add them, then i will be glad to .

i think it is d. objects resist changes in their state of motion.