Answer:
Explanation:
Scientists at the Mauna Loa observatory in Hawaii say that CO2 levels in the atmosphere now stand at 387 parts per million (ppm), up almost 40% since the industrial revolution and the highest for at least the last 650,000 years.
Answer:
Whales are mammals and do not have gills, so they cannot take the dissolved oxygen that is in the water and turn in into a oxygen that they can breath.
Explanation:
A macrophage is a large phagocytic cell that engulfs foreign particles and pathogens. So Macrophage.
Hope this help! :)
I know them in Spanish
Esta formado por los 206 huesos repartidos por casi todas las partes del cuerpo. Que permiten el aparato locomotor Que pueden ser largos, cortos, planos Que forman el esqueleto y proteccion para los organos internos Que se unen en tejido oseo, y tejido cartilaginoso Que son la columna vertebral, craneo, y pelvis