Stromatolite fossils are the oldest known fossils<span>, that formed 3.5 billion years ago when the environments of Earth were too hostile to support life as we know it today. They </span><span>are layered mounds, columns, and sheet-like sedimentary rocks</span><span>
Stromatolite fossils indicate that </span>life must have arisen quite a bit earlier, perhaps 3.9 billion years ago.
Data is in descending sequence
Answer:
Science refers to a system of acquiring knowledge. This system uses observation and experimentation to describe and explain natural phenomena. ... Less formally, the word science often describes any systematic field of study or the knowledge gained from it.
A cell's nucleus contains the DNA of the organism. The DNA is the same throughout the organism, but is expressed differently to create different cells (muscles, optic cells, bone, etc.)
Sorry for the delay, hope this helps :D
Answer:
<em>He</em><em>y</em><em> </em><em>dear</em><em>.</em><em>.</em><em>.</em>
Explanation:
<em>A</em><em>b</em><em>o</em><em>v</em><em>e</em><em> </em><em>is</em><em> your</em><em> answer</em><em>.</em><em>.</em><em>.</em><em>✌️</em>