What are some natural controls that keep an ecosystem community in balance? Select all that apply.

food competition

mate competition

industrial waste dumping

competition for shelter

deforestation

consumption by predator species

What is the name of a variable that you change in an experiment a) Dependant variable b) Stable Variable c) Graphing Variable d) Independent variable

There are 100 cm in every meter. If a measurement is 1.67 m, what is the measurement expressed in centimeters?

Who first introduced the idea that the Sun is the center of the universe? A. Nicolaus Copernicus B. Albert Einstein C. Johannes Kepler D. Edwin Hubble

What are the units for work, power, force, and energy?

Discuss the advantages and disadvantages of series circuits compared to parallel circuits. Give an example of where each type of circuit could be used.

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

What happens to particles when a substance gains energy and changes state?

The density of mercury is 13,600 kg/m³. Determine the mass of 10.0 cm³ of mercury.

A force of 250 N is applied to an object that accelerates at a rate of 10m/sec2. What is the mass of the object?

The grounded conductor and the grounding conductor are one and the same conductor and perform the same function.