Answer:
The answers are A and C
Explanation:
Loess is a periglacial or aeolian (windborne) sediment, defined as an accumulation of 20% or less of clay and a balance of roughly equal parts sand and silt.
Both are seed producing
both are unisexual,however angiosperms can be bisexual
angiosperms are flowering while gymnosperms are non-flowering
angiosperms seeds are enclosed in an ovary while gymnosperms are not enclosed
angiosperms are seasonal while gymnosperms are evergreen
