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Alborosie
3 years ago
13

What is the estimated age of the trilobite fossils (bottom layer of fossils)?

Biology
1 answer:
kkurt [141]3 years ago
5 0

Answer:

521 million years ago

Explanation:

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What mass of water in grams will fill a fish tank 100 cm long, 50 cm wide, and 30 cm high?
Natasha_Volkova [10]

Answer:

150,000cm^3, or 1,500m^3

Explanation:

The question is basically asking the volume of this rectangular tank.

The formula to find the volume is length x width x height.

This is because we're trying to find the area of the base (length x width), and then we're multiplying the base times the height, to get how much of the base area can fit in the height of the rectangle.

So, the answer is 100cm x 50cm x 30cm = 150,000cm^3, or 1,500m^3, because 1 meter = 100 centimeters.

6 0
3 years ago
Which layers of the Sun can only be seen during a solar eclipse? Select all that apply. A. core B. corona C. photosphere D. chro
Scorpion4ik [409]
The layer of the sun can only be seen during a solar eclipse is corona
4 0
2 years ago
1. An enzyme is considered a(n) ____ because it speeds up a chemical reaction without being used up.2. In a catalyzed reaction,
Zepler [3.9K]

Answer:

(1)Catalyst, (2) substrate, (3) active site, (4)activation energy, (5)induced fit, (6)cofactor, (7)denature

Explanation:

An example of an enzyme is carbonic anhydrase. It catalyzes the reversible reaction between water and carbon dioxide, in the body, to form carbonic acid. This reaction would normally be very slow but is sped up in the body. This allows the body to regulate the pH of the blood and also helps gets rid of carbon dioxide from the tissues.

8 0
3 years ago
Read 2 more answers
The energy lost during transformation is always in the form of:
levacccp [35]

Answer:

Heat Energy

Explanation:

When energy is transformed from one form to another, or moved from one place to another, or from one system to another there is energy loss. This means that when energy is converted to a different form, some of the input energy is turned into a highly disordered form of energy, like heat.

Hope this helped! :^)

8 0
2 years ago
Buffalo have a somatic chromosome number of 60. Hybrids produced by crossing a buffalo and grizzly bear are called gruffalo, are
Keith_Richards [23]

Answer:

37

Explanation:

Since the Gruffalo has a somatic chromosome number of 67 and the Buffalo has a somatic chromosome number of 60, we may infer that seven chromosomes from the Grizzly were not able to pair up with the chromosomes of the Buffalo. Checking the options, the only choice that has a suitable number is b. 37 chromosomes. If this is true, then the remaining 30 chromosomes were able to pair up.

5 0
3 years ago
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