A student wishes to test whether adding a substance (called an anti-freeze) to water lowers the freezing point
of the water. Measuring which of these variables will help
her arrive at a conclusion?

A
Amount of water put into
the container B

Amount of anti-freeze
added to the water

C
Temperature at which the
mixture freezes D

Type of thermometer
used to make the
measurement

You see a white marker with an orange circle and black lettering. what does this marker tell you

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called