Burning paper is a chemical change not a physical one. Hope this helped <span>
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Protozoans that Move with Cilia. These protozoans are called Ciliates and have hundreds of tiny cilia which beat in unison to propel them through the water. ... In addition to locomotion, the Paramecium and other ciliates like the Stentor use cilia to sweep food down into their central channel or gullet.
Answer:
Abierto es sin vasos y cerrado es con vasos.
Explicación:
El sistema circulatorio abierto es un tipo de sistema que se encuentra en los invertebrados. en el que la sangre fluye libremente a través de las cavidades en lugar de los vasos sanguíneos mientras que, por otro lado, el sistema circulatorio cerrado es un tipo de sistema en el que el corazón bombea sangre y la sangre fluye a través de los vasos y capilares. Este tipo de sistema circulatorio está presente en humanos y vertebrados.
Answer:
Corona Virus is helping the environment because people aren't constantly driving around and polluting the air. The economy, however, is dropping due to people not working and not making money and therefore, not spending as much money.
I think that it would be classified in the prokaryotic domain.
