Birds and reptiles lay amniotic eggs. They consist of a shell, embryonic membranes, and the embryo.
Explanation:
The early atmosphere was mainly carbon dioxide and water vapour. Water vapour condensed to form the oceans. Photosynthesis caused the amount of carbon dioxide to decrease and oxygen to increase.
Decomposers break down the dead decaying body parts of all other organisms. They are also known as saprophytes. Apart from this, the top consumers like sharks, dolphin etc. eat away the smaller trophic organisms like squids, fishes etc,. But after the death of the tertiary consumers, they are also decomposed by the decomposers.
Answer:
20%
Explanation:
you should multiply 30% by 2 for cytosine and guanine then 100 - this answer gives you the answer for adenine and thymine
just devide it by two
Neon is a noble gas so not that
Helium is a noble gas so no
Flash camera, tricky but I’m POSITIVE that the tubes of the flash part got some argon to increase bulb life
MP3 player, probably this
I wouldn’t recommend trusting me but hey why not