Which ability emerges earlier than other concrete operational skills?

A 100 kg cannon at rest contains a 10 kg cannon ball. When fired, the cannon ball leaves the cannon with a speed of 90 m/s. What is the recoil speed of the cannon?

About how many feet tall is the average 10-year-old?

Give the correct form of my. _______    penna.

Fill in with the correct form of the passato prossimo conjugation of the verb in parenthesis. Make sure to add the correct conjugation of essere first, and agree the ending with the subject.Io (nascere) in Toms River.

An example of an altricial bird is the Canada goose.

Most migrating birds fly in a V shape pattern to avoid hazardous objects such as tall building during flight.

Fill in the missing definite article. (The) studio e grande.

Give the correct form of your (plural). ______ ragazze.

Fill in with the correct form of the passato prossimo conjugation of the verb in parenthesis. Make sure to add the correct conjugation of avere first.Ieri io (mangiare) la pasta al forno.