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sukhopar [10]
4 years ago
10

What energy is required for a chemical reaction to take place

Biology
2 answers:
vichka [17]4 years ago
8 0

Answer:

activation energy is required for a chemical reaction to take place.

dezoksy [38]4 years ago
5 0

Answer:

activation energy

All chemical reactions, even exothermic reactions, need activation energy to get started. Activation energy is needed to bring reactants together so they can react. How fast a reaction occurs is called the reaction rate.

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Which statement correctly identifies Old Faithful and explains how it formed? It is a caldera formed from a vent collapsing. It
amid [387]

Answer:

It is a caldera formed from a vent collapsing. It is a mud pot formed from pools of boiling, acidic mud. ... It is a geyser that formed due to water heated by magma erupting at Earth

Explanation:

It is a caldera formed from a vent collapsing. It is a mud pot formed from pools of boiling, acidic mud. ... It is a geyser that formed due to water heated by magma erupting at Earth

6 0
3 years ago
Homologous chromosomes are pairs of chromosomes containing genes that code for __________.a. DNAb. sexc. the same traitsd. diffe
wariber [46]

Answer:

d. different traits

Explanation:

Human cell are diploid (with the exception of gametes) which means that they have two sets of chromosomes: one inherited from mother and another inherited from father (23 chromosomes in each set,  total of 46 chromosomes per cell). Those chromosomes in pair are called homologous chromosomes, they are the same in size and shape, contain the same genes but code for different traits.

6 0
3 years ago
A population ecologist uses many terms while writing his case study. Match each term to its definition.
Zina [86]

Answer:

A population ecologist uses many terms while writing his case study. Match each term to its definition.

an indication of the number of individuals of a population and the area that they occupy

population density

an increase in the number of individuals of a species over a period of time, expressed as a percentage

growth rate

the number of live births per 1,000 organisms of a species in a year

Birth rate

the number of deaths per 1,000 organisms of a species in a year

death rate

Explanation:

4 0
3 years ago
Biotic and abiotic factor interacting within the setting of a community
Marianna [84]
No, the correct answer is Ecosystem
6 0
3 years ago
Read 2 more answers
Name 3 reasons why recycling is bad
morpeh [17]
1. Air pollution would still be an issue since fossil fuel trucks that produce exhaust have to go pick up recyclable items and bring them back. Also, the recycling process itself produces a lot of pollutants from inside the factory. 

2. Contamination is also a huge obstacle in the recycling industry. Sometimes there are errors with sorting through recyclable stuff and let's say, for example, a spray can gets mixed in with other types of recyclables; it can contaminate the new products.

3. Most plastics can not be recycled. There are about seven types of plastic that we find and encounter on a day to day life, but only two of those plastics are recyclable. What isn't recyclable will be collected, processed, sorted and then thrown into a landfill. 

Hope this helps.
6 0
3 years ago
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