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Reil [10]
3 years ago
15

Why do scientists believe the universe is still expanding?

Biology
1 answer:
yaroslaw [1]3 years ago
5 0

Answer:

b

Explanation:

I looking at the electro magnetic spectrum I can tell scientists if things are moving toward the Earth or away from the Earth

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6. Photosynthesis uses energy of sunlight to convert water and carbon
Blababa [14]

Answer:

d

Explanation:

sugars are also known as glucose and the formula for photosynthesis is water+carbon dioxide=oxygen+glucose

3 0
3 years ago
if an element has a half-life of 30 million years and there is 12.5% of it remaining in a rock, how old is that rock
Assoli18 [71]

Answer:

The half-life of a substance is the amount of time it takes for half of that substance to decay. However, after two half-lives, half of the half remaining will decay, leaving you with one quarter of the original substance.

So, after 1 million years you will have 50% of the original substance remaining.

And, after 2 million years you will have 25% of the original substance remaining.

After 3 million years you will have 12.5% of the original substance remaining.

And after 4 million years you will have 6.25% of the original substance remaining.

Explanation:

Hope it helps:)

3 0
3 years ago
Which kingdom does a multicellular living organism most likely belong to? Archaea Bacteria Eubacteria Fungi
ANEK [815]
It is Fungi. All the other ones are unicellular
7 0
3 years ago
Awesome work guys keep it up please
Effectus [21]
I'd say B, anyone disagree??
5 0
3 years ago
What occurs as a population size increases?
Irina18 [472]

Answer:

<em>Hello There the correct answer A change in the size of a population over a given period of time is that population's The growth rate is the birth rate minus the death rate. Over time, the growth rates of populations change because birth rates and death rates increase or decrease. Growth rates can be positive, negative, or zero.</em>

Hope It Helps! And Good Luck.

4 0
3 years ago
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