Answer:
Places and location.
Explanation:
In gymnosperms, the pollen and the megaspores are produced in separate places. Megaspores made in cones that develop into the female gametophytes that is present inside the ovules of gymnosperms, while pollen grains develop from cones that produce microspores. while on the other hand, In angiosperms, the pollen and the megaspores are produced in separate structures, but within the same place i.e. flower which has both male and female reproductive organs.
Answer:
There are two types of planets. Terrestrial and Jovian planets. One thing is common in both of them.
Both the terrestrial and the Jovian planets possess a solid core, made mostly of metallic and/or rocky material.
Hope it helps
Radioactive dating, depending on the certain amount of radioactive decay it leaves through the years you can predict the oldest one!
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-procklown
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