About 30 miles into Earth, the speed of seismic (earthquake) waves increases. What does this change
in speed indicate about the material through which the seismic waves are traveling?

The waves travel from rock into metal.

The waves are traveling from solid material into liquid material.

The waves are traveling from cooler material into hotter material.

The waves are traveling from less dense material into more dense material.

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a. coral reefs because of the loss of the symbiotic algae living within their bodies b. penguin populations because the fish they eat will move into warmer waters c. mountain-dwelling birds because rising sea levels will relocate their food sources d. large cats in the rainforest because of decreased habitat loss for their prey

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp