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sladkih [1.3K]
3 years ago
15

While alcohol, tobacco, drugs, and pollution are never healthy for a developing fetus, it is most vulnerable during the first tr

imester.
a. True
b. False
Biology
1 answer:
Nana76 [90]3 years ago
3 0

Answer:

True. The first trimester is the most crucial time for the development of the fetus.

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List 10 fruit that contain:
Viktor [21]

Answer:

vitamin c

Cantaloupe.

Citrus fruits and juices, such as orange and grapefruit.

Kiwi fruit.

Mango.

Papaya.

Pineapple.

Strawberries, raspberries, blueberries, and cranberries.

Watermelon.

vitamin a

You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. The main food sources of beta-carotene are: yellow, red and green (leafy) vegetables, such as spinach, carrots, sweet potatoes and red peppers. yellow fruit, such as mango, papaya and apricots.

4 0
3 years ago
Read 2 more answers
Name two examples of catastrophic events which could lead to a mass extinction?
Lemur [1.5K]

Asteroid impact

Volcanic eruptions

Explanation:

Asteroid impact and volcanic eruptions are two common events that could lead to a mass extinction.

A mass extinction is an abrupt decrease in life on earth due some catastrophic event.

  • The collision of a large bolide on the surface of the earth is a catastrophe in itself.
  • The collision and its aftermath have destructive consequences on life.
  • The force of the collision can reverberate in form of vibration throughout the earth.
  • It can cause heating of the earth surface.
  • Volcanic eruptions can become global phenomenon that upsets the earth balance.

Learn more:

Extinction brainly.com/question/10860460

#learnwithBrainly

8 0
3 years ago
Name one disadvantage of the electron microscope over the light microscope
sesenic [268]

Answer:

it is only used to view a dead specimen

5 0
1 year ago
Cytochalasins bind actin and block actin microfilament assembly. Cells treated with cytochalasins will not divide. How do cytoch
7nadin3 [17]

Answer:

The correct answer will be option-A

Explanation:

Cytochalasin is the metabolic product released from the fungus. The cytochalasin acts a toxin to the cell as it inhibits the division of the cell.

Cytochalasin act by inhibiting the cytoplasmic separation during cell division as it blocks the formation of contractile microfilaments. The presence of cytochalasin inhibits the elongation of acing filament as it blocks the addition of the monomer to the growing end of the filament.

Since it prevents the formation of the contractile rings and cytoplasmic separation, therefore, option-A is the correct answer.

4 0
3 years ago
Having trouble with this textbook question. Can anyone help me out?
tekilochka [14]

Answer:

Oh well Thx that could really help

6 0
3 years ago
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