U-Science-Gr7-Unit1-CBT Alfred Wegener observed that coastlines of continents appeared to match up and hypothesized that all continents were once joined in a single landmass and have since drifted apart. This hypothesis became known as
continental drift. Evidence supporting which statement was needed to accept continental drift?
Seismic waves from one earthquake can be recorded at many points on Earth's surface.
Earth's surface and arrangement of continents has changes over long periods of time.
Volcanoes and earthquakes often occur in similar locations.
Earth's interior contains layers of different states of matter.

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

Describe two recent or ongoing space missions.

The transport tubes for food coming down the plants are called?