Answer:
i think b
because by making it toxic only when touching air or soil, it won't end up harming itself and end up harming other plants and suppressing their growth
The 1892 lockout of workers at the Homestead,Pennsylvania, steel mill after Andrew Carnegie refused to renew the unioncontract. Union supporters attacked the guards hired to close them out and protectstrikebreakers who had been employed by the mill, but the National Guard soonsuppressed this resistance and Homestead, like other steel plants, became a non-<span>union mill</span>
absolute value function family
