Biology, 04.11.2020 22:10 fordalolz1553
Nuclear fusion reactions occur when hydrogen atoms combine to form helium atoms. As this happens, great amounts of light and heat energy are given off. Which celestial body, most likely is a place where nuclear fusion occurs?
A. Comet
B. Star
C. Asteroid
D. Meteor
Answers: 2
Biology, 22.06.2019 00:10
Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy
Answers: 2
Biology, 22.06.2019 11:00
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
Answers: 1
Biology, 22.06.2019 16:40
Which of these definitions have been paired with the correct type of cell?
Answers: 1
Biology, 23.06.2019 01:00
Which sentences describe the logistic growth model? there are three different phases of the s-shaped curve. at first, growth is exponential because individuals are few and resources are plenty. this growth model occurs in a situation where resources are plenty and individuals are few to consume the resources. population growth decreases as resources become limited. when a population size reaches the carrying capacity of its environment, the population growth slows down or stops completely. the model looks like a j-curve.
Answers: 3
Nuclear fusion reactions occur when hydrogen atoms combine to form helium atoms. As this happens, gr...
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