La raíz realiza fototropismo positivo?

El fototropismo es una respuesta que se relaciona con la dirección del estímulo En el caso del tallo, se observa un fototropismo positivo, porque este crece hacia la fuente luminosa. La raíz, en cambio, no necesita de laluz

Explanation:

fototropismo negativo.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.