3 and 4 are correct. A compound is a collection of two or more molecules, whereas a molecule is a collection of two or more atoms. 1 is not true because its talking about two atoms together which is a molecule. 2 is not true because it is still talking about two atoms which is still a molecule. 3 is true because molecule are subunits of compounds. 4 is true because elements and atoms are the same thing, and two or more atoms is a molecule.
Answer:
Hydras live in fresh water environments, while sea anemones live in MARINE environments! Hydra, although primarily sessile (sedentary), may move up to several inches in a day.
Answer:
YY là kiểu gen trội đồng hợp tử (2 alen Y). Kiểu hình của kiểu gen này có màu hạt vàng. Yy là kiểu gen dị hợp tử (một alen trội, một alen lặn). Kiểu hình của kiểu gen này có màu hạt vàng.
Explanation:
Answer:
They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars
Explanation:
<span>The answer would be Cell specialization</span>