In pines, the female gametophyte contains each of which contains a(n

Archegonia...egg

Explanation:

In pines, a megaspore repeatedly grows and divides. It gives rise to a female gametophyte. The female gametophytes is the site in which egg-bearing gametophytes develop.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.