Where did the empryo gets its energy or food to grow?

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.