I believe the answer is: <span>the matrifocal family
</span><span>the matrifocal family refers to a family structure when the mothers become the head of the family.
According to statistics, more than 65% of African American familes are supported by single mothers, and this would often cause a hard time for the single moms since they have to juggle between their career and taking care of their households.</span>
Answer:
<em>Gradually disappear</em>
Explanation:
Synaptic pruning occurs between early childhood and adulthood, during this process our brain gets rid of extra synapses.
Synapses are structures in brain that allows the neurons to transfer signals to other neurons, during synaptic pruning brain removes the connections in brain which is no longer required. It a way to maintain efficient brain function as we grow old and learn new complex information.
Answer:It was to deliver messages
Explanation:
the quipu was used in inca society as a way to deliver messages to other nations appropriately.
It need it to be a cell all living things have a plasma membrane it it doesn't it looses its form.