Some animal cells, such as amphibian eggs, never have a complete ring, but form a spreading arc
! I don’t know if that’s what you’re talking about !
Explanation:
As Earth cooled, an atmosphere formed mainly from gases spewed from volcanoes. It included hydrogen sulfide, methane, and ten to 200 times as much carbon dioxide as today's atmosphere. After about half a billion years, Earth's surface cooled and solidified enough for water to collect on it.
Oxygen plays a critical role in respiration, the energy-producing chemistry that drives the metabolisms of most living things. We humans, along with many other creatures, need oxygen in the air we breathe to stay alive. Oxygen is generated during photosynthesis by plants and many types of microbes.
Answer:
Microblog
Explanation:
Microblog can be describes as a mixture of both blogging as well as instant messaging. Microblogging allows the users to share short messages as well as it also allows posting of these messages with an online audience. The content of micro blogging is much smaller as compared to the traditional blogging . The actual as well as the aggregated sizes of files of microblogging are much shorter than the tradiotional bloggings.
Answer:
The correct answer is A- B cells are activated and release antibodies
Explanation:
When an antigen invades a mammals body, specific immune cells engulf and ingest it. Some of the digested pieces are displayed on the cells bodies, the next step will be that B cells are activated and release antibodies.