True. It's to my knowledge that gas has no smell, so they add this stinky stuff so it can be detected.
Answer:
Phylogenetic trees reconstructed from molecular sequences are often considered more reliable than those reconstructed from morphological characters, in part because convergent evolution, which confounds phylogenetic reconstruction, is believed to be rarer for molecular sequences than for morphologies
Explanation:
Answer:
Which of the following is an example of an extended product responsibility? Select one:
a. ecotourism
b. soft loans for business planning to implement environmental products
<h2><em><u>
c. the use of recycled wood products in the manufacture of new products </u></em></h2>
d. tradable emission permits
Sleep is the state of rest of the brain and body where physiological processes take place. More observably, the eyes close and the brain enters into a state of unconsciousness, either completely or partially. Moreover, sleep is guided by sleep/wake cycles and circadian rhythm.
Answer:
There are different structural adaptations that can help the organism survive in environment changes.
When the heat turns to cold a bear will hibernate. It's genetics allow the bear to keep itself warm (and of course the area that it hides itself in).
A bird will fly to a new area, where it's still hot.
Other animals, such as wolves will stop shedding and grow thicker and longer fur. This fur will help it stay warm in the winter.
All organisms have their system and each one is unique to the creature.
<em>Hope this helped! ;)</em>
