A student observes animal cells under a microscope and sees a cell with no visible chromosomes in the nucleus. This must mean that the cell is: 1. metaphase
2. interphase
3. telophase
4. dead

I'll give you 15 points if correct

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.

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.