Identify the types of genetic recombination, occurs in metaphase I,
occurs during sexual reproduction,
is random chromosome alignment resulting in variation,
occurs in prophase I,
fuses gametes to form offspring with genes from each parent.
exchanges genetic information between non-sister chromatids,

most community's take hundreds of years to become stable

yes we can.   a lady urinates from her urethra.

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.