hard words

Pregunta	Respuesta
environmental	concerns, such as global warming, are very topical at the moment.
oil spill	The oil spill has contaminated more than 100 km of coastline.
hydrocarbons	Scientists analyzed the function of hydrocarbon in the mixture.
hatching	The hatching of the eggs should happen in about a week.
discharges	discharges:There was a lot of discharge from the wound.
behavior	the way living creatures act and react
poisoned	a substance that can make people or animals ill or kill them if they eat or drink it
offspring	the young of an animal
keratin	a strong natural protein, which is the main substance that forms hair, nails, hooves, horns, feathers, etc
food chain	a series of living things that are connected because each group of things eats the group below it in the chain

Resumen del Recurso

	Creado por Hernandez Nates Valeria Zoe hace alrededor de 2 meses