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liberstina [14]
3 years ago
10

Help pleaseeeee

Biology
1 answer:
jeka943 years ago
5 0

Answer:

D

Explanation:

The antibiotics are targeting bacteria that are not resistant to the antibiotic and any that are will survive treatment. Bacteria can reproduce and share their resistance quickly.

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At the coordinates 45 degrees W & 72 degrees N it is 9:32 AM. What time is it at the coordinates 75 degrees W & 45 degre
garik1379 [7]

Answer:

The correct option is;

7:32 AM

Explanation:

The information given are;

The time at 45 degrees W and 72 degrees N = 9:32 AM

The variation of time with lines of longitude  is given as 15 degrees for each 1 hour variation, therefore, where we have the other location at 75 degrees W and 45 degrees S, the difference in the longitude = 75 - 45 = 30 degrees west  of the initial location

Moving west is in the opposite direction of the Earths rotation, therefore, we subtract 1 hour for every 15 degrees giving 30/15 = 2 hours subtracted

The time at 75 degrees W and 45 degrees S is therefore, 9:32 AM - 2 hour = 7.32 AM

The latitude of a place left out in the calculation of the relative time of a place.

8 0
3 years ago
Use a Punnett square diagram to show why, for each pregnancy, the chances of giving birth to either a boy or a girl are 50-50. E
ikadub [295]

Answer:

Because the offspring of a male and female are always going to be xx, xx, xy, or xy.

Explanation:

Remember that men have different reproductive chromesomes than women. Women have 2 x chromesomes(xx) while men have 1 x and 1 y(xy). These are given down to their offspring.

So we can write the this out in a punnet square as(link down below).

After you see the visual, you will find that the genotypes are xx, xx, xy, xy.

As I said above, women have sex chromesomes xx, while men have sex chromesomes xy. When you match the genotypes on the punnet square with the ones we know from men and women, we find that two of them match with men and two match with female.

So with this, we can conclude that 2/4 of offspring will always be male and 2 will be female. And as you well know 2/4 is 1/2 which is 50%.

3 0
3 years ago
A genetic factor that blocks another genetic factor
Alexxx [7]
The answer is
Dominant Trail
4 0
3 years ago
Sperm are released out of the male reproductive system through the ____?
Airida [17]
Basically it's the Urethra
3 0
3 years ago
Read 2 more answers
What are the two criteria for designation as a biodiversity hotspot?.
Ivan

Answer:

Biodiversity hotspots are regions under surveillance of humans where threatened and endemic species of flora and fauna are grown. These regions have been identified as some of the world's most important ecosystems.  

The two criteria for designation as a biodiversity hotspot are:

1. It must possess at least 1500 vascular plant species as endemics : It means the region must have a high percentage of plant species which are found no where else in the world.

2. It must have 30% or less native vegetation : It means that the plant species population is endangered and threatened to extinction.

3 0
3 years ago
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