Density is mass per unit of volume. Which pair of lab instruments would a student use to measure the density of seawater? a caliper and a flask
a stopwatch and a beaker
a balance and a beaker
a meter stick and a temperature probe

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which is the correct formula for photosynthesis