Which group of words in the sentence is a prepositional phrase?
a mother duck and her ducklings swam under the wooden bridge and then crossed the dirt trail.
a.
under the wooden bridge
b.
the dirt trail
c.
a mother duck and her ducklings
d.
then crossed

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

you can change by someone having a negative opinon of you in many ways for example thi can lead to depression and taking of ones life also known as sucide this effects there self esteem and ego in a negative way making them feel sad depressed and stressed causing them to act gloomy and sad if this continuses this can lead to self harm or much worse things.

hope i .

a is is the correct answer