En 100g. de pan blanco, 51 son glúcidos, 9g. son proteinas, 3g. son grasas, 36g. es agua y 1g son minerales. ¿ que cantdad de energia proporciona ese trozo de pan?

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Study the image of this rock. which characteristic best supports its formation from sedimentary processes? it has many layers. it is coarse-grained. its grain shape is round. its texture is non-banded.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?