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Studentka2010 [4]
3 years ago
10

How are index fossils used to date rock layers?

Biology
1 answer:
larisa86 [58]3 years ago
8 0
Now that I don’t know ?
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Hi can someone pls help me
nydimaria [60]

Answer:

B

Explanation:

5 0
3 years ago
When the pulmonologist discusses the condition in which a series of alveoli in the left lower lobe receive adequate ventilation
Vitek1552 [10]

Answer:

b. Alveolar dead space

Explanation:

Based on the information provided within the question it can be said that the statement that would best indicate that the nurse understands the condition would be "Alveolar dead space". This is because, this is the name of the condition being described by the pulmonologist. It is the sum of the volumes of the alveoli that are ventilated but not perfused due to almost no blood flowing through their pulmonary capillaries.

4 0
4 years ago
Read 2 more answers
Which of these are found in both eukaryotes and prokaryotes (choose all that apply)
kaheart [24]

Answer:

The correct answers are option b. "replication bubbles" and d. "replication forks".

Explanation:

The nucleic acids replication systems share some similarities between eukaryotes and prokaryotes. For instance, both organism have replication bubbles. However, prokaryotes have a single replication bubble because its replication process starts from a single origin, while eukaryotes have several replication bubbles. Also, the replication forks are well conserved from prokaryotes to eukaryotes with only some differences among the enzymes present within the fork.

7 0
3 years ago
F the caudal portion of the neural tube failed to develop properly the ________. if the caudal portion of the neural tube failed
scZoUnD [109]

Answer;

-Spinal cord may be affected

Explanation;

-If the caudal portion of the Neural tube failed to develop properly, the spinal cord may be affected.

-The neural tube is the embryonic structure that develops into the brain and spinal cord.

-Its defects arise from failure of embryonic neural tube closure by the fourth week of pregnancy, causing malformations of the brain and spine.

3 0
3 years ago
Hoe do compounds differ from elements
pogonyaev
Compounds are made up of elements.

Elements are the ones we pull straight out from the periodic table.

For example:
H2O, HCl, NaCl, NaOH --> these are all compounds

H, N, B, Ne, Na, Cl, O, K --> these are all elements.
4 0
3 years ago
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