What causes autism pls help

We know that there's no one cause of autism. Research suggests that autism develops from a combination of genetic and nongenetic, or environmental, influences. These influences appear to increase the risk that a child will develop autism.

A few things can possibly lead to someone have autism. here's just a few having an immediate family member who's autistic.certain genetic mutations, fragile X syndrome and other genetic disorders, being born to older parents, low birth weight, metabolic imbalances, exposure to heavy metals and environmental toxins, and a maternal history of viral infections.

hello mate, can you add the lines 206-247?

each morning i wrote my name

on the dusty cabinet, then crossed

the dining table in script, scrawled

in capitals on the backs of chairs,

practicing signatures like scales

while mother followed squirting

linseed from a burping can