Найдите сказуемое в каждом предложении и укажите его видо-временную форму и залог.
1) Fire is an important process that affects ecological systems around
the globe.
2) Fire creates a mosaic of different habitat patches, each at a different
stage of succession.
3) Objects whose surface is at a temperature above approximately
400 °C (752 °F) will glow, emitting light at a color that indicates the
temperature of that surface.
4) Fire has been used by humans for cooking, generating heat, light,
signaling, and propulsion purposes