Unfortunately this question is incomplete as it is a multiple choice question. The following options are provided:
<span>A) body cavity between body wall and digestive system
B) number of embryonic tissue layers
C) type of body symmetry
D) presence of Hox genes
E) degree of cephalization
The answer is D: presence of Hox genes
</span>
Hox genes are a group of genes that determine the basic structure and orientation of animals.
The reason why scientits works in gropua is because to share there hyposthiese and to see if others thinks likes them and if not then they decsions why or why not. Working in groups makes them stronger as a team to creat nww things and ideas.
Hope this helps:)
Answer:
7ph
Explanation:
7PH Stainless Steel is a semi-austenitic precipitation hardening steel with high levels of Chromium and Nickel. ... Thanks to its exceptional mechanical properties, this steel is often used in aerospace applications. It is also used for manufacturing of flat springs, conical springs, washers, eyelets, and strain gauges.
There is no such thing as pure water, when you buy bottled water you think you're buying pure water but it's the same water.
I'm not going into the scientific facts here but the truth is 'pure' water does not exist because that means the water will have NOTHING in it which means they will have to remove the natural minerals and then the water will interact with any organic materials the water encounters, including air and plastic.
<em>But the water is clean and healthy to drink. Just not pure.</em>
