The reason scientists believe this is that there was basically no oxygen in the atmosphere at this time, which meant that cells needed to be anaerobic to survive,<span> going around the problem of no oxygen in the atmosphere.
Hope this helps.</span>
Answer:
the radar used in weather forecasting measures the direction and speed, or velocity, of objects such as drops of precipitation.
Explanation:
Answer:
Allowing a small but controlled portion of a pest population to remain does less damage to ecosystems, soils, water, and air. Another feature of IPM would be making a habitat more complex, such as mazes, so it can slow the spread of parasites. No-till or low-till agriculture is another feature of IPM because this helps natural enemies of some pests to build up in the soil, whereas plowing destroys the habitats of these enemies.
Explanation:
Edgen 2020 plus I got a 100 when I typed this out.
Answer:
The correct answer would be multiple alleles.
Multiple allele refers to the condition in which a gene exists in more than two alternative forms in a population that is, it has more than two alleles.
Different allele may provide different traits to the organism.
For example, in humans, blood types or groups are determined by three alleles 
, 
and <em>i.</em>
Three alleles produce four types of blood groups (phenotypes) which are A, B, AB, and O.
