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PolarNik [594]
3 years ago
13

How does photosynthesis start?

Biology
1 answer:
Basile [38]3 years ago
5 0
Photosynthesis starts when a photon- a tiny packet of light is absorbing a molecule of chlorophyll.
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Why is the existence of vestigial structures significant to the study of evolution?
Illusion [34]
it's kinda really complex you have animals like snakes evolution says they used to have legs how can this be proven? This is proven by vestigial structures as some snakes like certain pythons still have legs however, they are underdeveloped and are used for nothing. Whales have pelvis bones this may not seems special but it is because every chordate that has ever walked on land has one thing in common and that's a pelvis this along with other data gathered really concrete the idea of evolution into reality
5 0
3 years ago
Hypoparathyroidism may be caused by: a. Problems following surgery, an autoimmune disorder, or congenital defects b. Heavy expos
Wewaii [24]

Answer:

The correct answer is option A

Explanation:

Hypoparaghyroidism occurs when thyroid gland produce little parathyroid hormone.

This is caused by:

1. Injury to the parathyroid glands during thyroid and neck surgery.

2. It is also caused by auto immune disorder. This is as a result when the body's natural defence against invading organisms starts to attack perfectly healthy tissues.

3. Congenital defects: This is as a result when infants are born without parathyroid tissue, that is ability to make thyroid glands or when the mother has hypoparathyroidism.

3 0
4 years ago
Explain why biomes are not tyically classified by temperture
12345 [234]

Answer:

Explanation:

Biomes are typically not classified by temperature, because some biomes can experience extreme temperatures from one season to the next. Other biomes might have a more consistent temperature throughout the year.

5 0
4 years ago
Read 2 more answers
What is a catalyst in Chemical reaction?<br>​
tatiyna

Answer:

Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions.

6 0
3 years ago
Read 2 more answers
How does sleeping pills react or are bad to the body​
spayn [35]

Hi there.

Sleeping pills can be affective, one common side-affects are; "slower breathing" -- slower breathing is a common factor, as a side affect. Another would be "depressed breathing".

These happen for many reasons, forcing your body to sleep isn't on the "healthy" side of your body.

Sometimes, people do get addicted to sleeping pills; and take them every night and can lead to small or major health issues.

An unwanted pill that goes into your body every night will cause unwanted side affects. That can be very harmful!  

6 0
3 years ago
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