The answer is a because it just is
Answer:
convention currents in the earth's mantle
Explanation:
the convention currents move the plates and that is how plates move
Echinoderms, like chordates, are deuterostomes and are therefore thought to be the most closely related of the major phyla to the chordates
Answer:
The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
Just like humans and other animals, pathogenic bacterias also has the capability to evolve.
These pathogens usually come to life as soon as they enter a host. When you use antibiotics, the majority of them will die, but several of them could survive.
When these survivals replicate, it will creates more bacterias that has higher immune towards antibiotics compared to normal bacteria