Answer:
1. Essential organs form during early development
Explanation:
Harmful chemicals (toxins) cause the most disease when they are present during fetal development, because organ systems are being developed and the rate of growth is very fast.
Biomass is the most used renewable source of energy in US in the year of 2009.
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Explanation:</u></h3>
In US, the country is very cold and use of wood and other plant products as chimney fuels, or in cooking and other purposes are very common. This is because being a temperate country, US has forests of conifers which are source of soft wood, ideal for burning.
Other sources of Biomass energy comes from the biogas, wood wastes, ethanol, municipal solid wastes and even biodiesel.
As a present day scenario, although coal and petroleum are still the most used fuels in US, but the use of renewable sources of energy has increased to twice the amount from 2010 to 2018.
Bacteria multiply. I think... bacteria dont have double helix dna. They have what is called a plasmid. If I remember correctly, its most often bacteria that have plasmids for dna and so they duplicate by binary fission instead of the way we do.
<span>Nudation is the process wherein an ecological system experiences new growth after a major event. Given that a drought killed all of the plants in the farmland and the wind and birds moved new plants into the now barren area, this is an ecological succession.</span>
Answer:
Explanation:
The Electrically initiated Improvised Explosive Device (IED) generally consist of four component with the acronym PIES, the P stands for power sources which supplies electrical charge to the I; initiator contains a small amount of explosives such TNT or PETN which triggers the remaining amount of explosive, E is the explosive itself which is triggered into explosion by the initiator and finally the S, Swtich, example clock or a cell phone which determine the device explodes