Which of the following does not change when a car keeps a constant speed but change in direction.
a. speed
b. velocity
c. acceleration
d. distance

The answer is A. Speed

There are two types of physical quantities which are scalar and vector quantities. Scalar quantities are those which do not need any direction for their explanation and vector quantities require a direction along with unit and magnitude. In the given options Speed is scalar quantity which is independent of direction but velocity and acceleration are vector quantities therefore speed is the correct answer.

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,