During a discussion in science class sharon learned that at birth an elephant weighs around 230 pounds .in four herds of elephants tracked by conservationists about 20 calves were born during the summer in scientific notation express approximately how much the calves weighed all together

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

could you provide figure.