Scientists say that climate data from nine different countries indicate that every country will be hit with major climate changes during this century. how can scientists make such predictions?

this is off of usa test prep

it would lead to upper respiratory infections and pneumonia.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.