James took two pea plants, placing one in a dark closet and the other on a sunny window sill. both are located in air-conditioned rooms. he then measured the growth of the pea plants after a week. in this experiment, the dark closet is a(
a. dependent variable
b. constant
c. independent variable
d. control

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?

How are positive ions different from neutral atoms