katietinary1657
31.03.2020 •
Biology
Compare the size of the male and female cones.
Look for the pollen sacs in the male cone. (Two pollen sacs are located under each scale of the male cone.)
Look for the ovaries in the female cone. (Two parts containing the egg cells can be found on the upper side of the female cone.)
Check the hardness of each cone.
Find the sticky parts.
Try to determine whether the female cone has been fertilized.
Record your observations.
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Ответ:
yes
Explanation:
Ответ:
ANSWER:
For a front to be formed, the air masses must "collide with each other".
EXPLANATION:
In general, when a mass of warm air collides with a mass of cold air, a front is formed. Whenever a front passes, weather changes take place in the specific area. Fronts formed are of different types. Cold front for instance is formed when "cold air mass" pushes a warm air mass and brings about cool air and also cold weather.