Answer:
16) true
17) true
18) true
19) false all mass extinctions marks the end of the Cretaceous Period.
20) true
21)not sure but here is some reasons students discovered that living things can die and decay. Soft parts are more likely to decay than hard parts. For this reason, the most common fossils are bones, teeth, shells, and the woody stems of plants.
22) true
23) eukaryotes have nucleus and prokaryotes doesn't.
24) true
25)true they evolved from eohippus
Answer:
The answer is true.
Explanation:
PKU is an inherited metabolic disease caused by a mutation of the gene for an enzyme responsible for metabolism of the amino acid phenylalanine.
<u>It take for bacteria to form on food - </u>
- Bacteria grow most rapidly in the range of temperatures between 40 °F and 140 °F, doubling in number in as little as 20 minutes.
- This range of temperatures is often called the "Danger Zone." Never leave food out of refrigeration over 2 hours.
How fast do bacteria grow on food?
- When food is in the "danger zone" of temperatures, which is defined as being between 40 and 140 F, the USDA claims that bacteria multiplies every 20 minutes.
- Always put your meals in the refrigerator after two hours if you can help it.
How long does it take for bacteria to produce?
- Bacteria are among the fastest reproducing organisms in the world, doubling every 4 to 20 minutes.
- Some fast-growing bacteria such as pathogenic strains of E.
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Hail is formed when the water droplets freeze together in the cold upper region of the thundercloud. These lumps of ice are called hailstones. Most hailstones are between 5 mm and 15 cm in diameter and can be round or jagged. Hail stones are not frozen raindrops.
Factors that govern the ultimate size of hailstones are hail has strong storm clouds, especially strong heat, high liquid water content, large vertical range, large water droplets, and many cloud layers are formed by clouds below 0 ° C (32 ° F). This type of intense heat may also indicate the presence of a tornado.
Learn about the formation of hailstones here:brainly.com/question/1783904
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