When too much gas gets trapped in the atmosphere it causes a "greenhouse effect". What is the best description of why the "greenhouse effect" is bad for Earth?
Respuesta
g
When gases are trapped in the atmosphere, it can make holes in the ozone layer. This lets
d
Pregunta 2
Pregunta
There's a park near your house that has lots of trash on the playground.
Respuesta
b
h
Pregunta 3
Pregunta
Which word or statement does NOT describe a healthy environment?