The correct answer for question number 1 is A - eukaryotes are the name
for unicellular organisms that dominated earth up to the Precambrian
times.
The correct answer for question number 2 is C - the
greenhouse effect is related to the phenomenon of an increase in average
surface temperature known as global warming.
The correct
answer for question number 3 is D - the colourless and odourless gas
that is produced by the radioactive decay of Uranium-238 and is considered
to be a cancer-causing agent is Radon.
The correct answer for
question number 4 is B - Scientists can determine if oxygen existed in
Earth's Archean atmosphere by looking for oxidized iron in rocks.
Answer:
A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.
Explanation:
hope this is what you meant :)
Answer:
The anterior pituitary gland produces six major hormones: (1) prolactin (PRL), (2) growth hormone (GH), (3) adrenocorticotropic hormone , (4) luteinizing hormone , follicle-stimulating hormone , and thyroid-stimulating hormone
The work of a lifeguard<span> is is to rescue and to ensure the safety of swimmers, surfers, and other water sports participants such as in a swimming pool, water park, or beach. To be a certified lifeguard, you must understand the following:
1. D</span><span>eveloping evacuation plans </span><span>
2. </span><span>Florida-friendly beaches
3. S</span><span>aving people caught in rip currents
4. Identifying signs of oncoming tsunamis</span>
<span>Archaea. hope that helps you out</span>
