This is actually science but science isn't a subject option Which of the following can be used to measure the rate of photosynthesis?
A. light intensity (%)
B. oxygen production (mL/hr)
C. temperature
D. CO2 level

¡hola!

i don't know how many words are missing

es verdad que acá en el mes de septiembre.

means

it's true that here in september.

so i guess it's ►

es verdad que el verano termina acá en el mes de septiembre.

it's true that summer ends here in september.

-

hope it's what you were looking for ☺☺☺

yo nos habíamos enterado de que los precios de los tiquetes subieron.

btw its yo not ya, ya means already yo means me or in this case us.