Answer:
Mammoth
Explanation:
These were relatives of today's elephants that lived during the last ice age and many of them died when the weather became warmer and their food supply changed
I’m pretty sure the answer is C because mammals and birds have four-chambered hearts hopefully this is helpful :3
Answer:
Acidophilic and acidotolerant eukaryotic microorganisms such as algae, amoebas, ciliates, heliozoan and rotifers, not to mention filamentous fungi and yeasts.
Explanation:
Acidophilic and acidotolerant eukaryotic microorganisms such as algae, amoebas, ciliates, heliozoan and rotifers are the organisms which can survive in highly acidic solution that have large amounts of iron, sulfur dioxide, carbondioxide, and oxygen molecule. In these organisms algae is autotrophic whereas archaea, bacteria, fungi, yeasts and protozoa are heterotrophic.
Carbon dating can be used to determine the age of bones. The method is effective when the samples are not burnt. However, for burnt bones, the sample must have some protein left. Another condition to ensure that the dating method will have a qualifiable sample is that the heating conditions must reduce or carbonize the organic matter.