Answer: A
Explanation:
Our universe was born from the Big Bang about 13.5 billion years ago. ... Our solar system began forming about 4.6 billion years ago within a concentration of interstellar dust and hydrogen gas called a molecular cloud. The cloud contracted under its own gravity and our proto-Sun formed in the hot dense center.
C. Arachnida.
hope it's correct.
They have body fat level in the MARGINAL OR BORDERLINE ZONE. At this zone, the fat level in the body is higher than the acceptable levels but is less that the fat levels in the obese people. With this level of fat, one has higher risks for such diseases such as high blood pressure, heart diseases, etc.
Explanation:
<h2>They are aquatic — found in moist or wet places.</h2>
<h2>They are autotrophic, and the reserve food is generally Starch.</h2>
<h2>They consist of a cellulose cellwall around their cells.</h2>
<h2>Mechanical and conducting elements are absent in thallophyta.</h2>
<h2>Plant body is thallus, not differentiated into root, stem and leaves</h2>
