Answer:
2nd drop down is computer or adc. 3rd drop down is ADC. 4th is DAC
Explanation:
The impacts of climate change include warming temperatures, changes in precipitation, increases in the frequency or intensity of some extreme weather events, and rising sea levels. These impacts threaten our health by affecting the food we eat, the water we drink, the air we breathe, and the weather we experience.
Food crops are sometimes affected, but the severity really depends on how much fertilizer the farmer adds to the crops because it replaces the nutrience that have washed away.
La declaración 'en la naturaleza existen más de 4000 minerales diferentes conocidos' es VERDADERA. Estos elementos pueden ser diferenciados por sus propiedades.
Un mineral es un material inorgánico que se encuentra en la naturaleza, el cual posee una estructura atómica específica, como así también una composición particular.
El estudio de la propiedades físicas y químicas permiten diferenciar los diferetes tipos de minerales que se encuentran en la naturaleza.
Los minerales pueden encontrarse en su estado puro (por ejemplo, oro, plata, cobre) o bien estar combinados con otros materiales para formar diferentes elementos.
Por ejemplo, el cuarzo está formado por la unión del silicio con oxígeno.
Aprende más sobre minerales en:
brainly.com/question/25206900
Answer:
A group of parasites called myxozoans have traditionally been considered simple multicellular protists. However, because these organisms possess stinging cells, some scientists consider them to be animals in the phylum that is named for such cells, the <u>cnidarians</u>.
Explanation:
Cnidarians are animals with radial symmetry, that is, their bodies can be divided, by different planes, into equal parts. It includes hydras, jellyfish, anemones and marine corals. Its body is a kind of sac with an opening (the mouth) surrounded by a circle of tentacles. Some have a dominant jellyfish phase, others polyp, or both. They present defensive nematocysts with stinging action.
