Awarm front is associated with which of these? a. a rising warm air mass b. a moving cold air mass c. air masses that are not moving d. air masses that have trapped warmer air between them

B. a moving cold air mass

A warm front is defined as the transition zone where a cold air mass is replaced by a warm air mass. Warm fronts generally move from southwest to northeast (not rising, but moving nor trapped)  and the air behind a warm front is warmer and more moist than the air ahead of it.

not sure if this what   you'r looking for would be percent composition

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.