Yannick’s class measured the width of one leaf several times. the values that the class recorded included 10 mm, 8 mm, 15 mm, 5 mm, and 13 mm. what is lacking from the measurements that the class made?

a calibration
b precision
c repetition
d validation

What type of cell is produced after fertilization occurs and the gametes combines ?

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..