In minks, the gene for brown fur (B) is dominant over the gene for silver fur (b). If both parents have brown fur, which cross would produce one offspring with silver fur
•BB x bb
•BB x Bb
•Bb x Bb
•Bb x bb

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

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.

prothallium

explanation: