How can an electromagnet be made stronger?

A.Add more coils of wire.

B.Add an iron core.

C.All the above.

D.Increase the voltage.

A forensics expert has obtained a sample of human blood from a crime scene. How can DNA fingerprinting be useful for identifying the person who leftthe blood at the crime scene?A by identifying the sequence of nucleotides in the DNA of blood cellsB. by comparing DNA from the blood cells with DNA from suspectsC. by identifying certain genetically controlled traits of suspects, such as eye shape and blood typeD. by comparing karyotypes made from blood cells at the crime scene and blood cells from suspects Under Franklin D. Roosevelt, the stock exchange remained unregulatedTrue or flase Which fossil fuel puts the least amount of sulphur dioxide into the atmosphere?aPetroleumbLinoleumCCoaldNatural Gas Under constant acceleration, the average velocity of a particle is half the sum of its initial and finalvelocities. Is this still true if the acceleration is not constant? Explain. el que se fue ala billa perdion su silla que es un refran un pregon o dicho Hits 2) How many solutions does the inequality have? A) 0 B) 1 C) 8 D) infinitely many Synonym examples for rain for negative, neutral connotation? Solve please I dont know how to do this. climate regions vary with changes in latitude and ___a. elevationb. longitudec. soil conditiond. rainfall PLSSS HELP ASAPPPP I BEGMARKI BRAINLIST AND GIVING POINTS In an ecosystem, there is a transfer of energy from one organism to the one eating it. This transfer allows the animal doing to eating to gain what percentage of the energy from the animal it ate? How does the author develop her argument in this partof the article?AlboRead the excerpt from "Healthy Eating.""I was taking all these pills like an old woman," saidNaar, a neonatology nurse at Baptist Hospital. "Myblood pressure is hereditary, but I added to it by addingthe pounds and eating horribly every day."...A nutritionist took her shopping and introduced her tothe joys of cauliflower. She upped her workouts,stopped eating hamburgers three times a week andscaled back on the Cold Stone pistachio ice cream.O She gives several reasons why people need tomake changes to their eating habits and exerciseroutines.O She shares an anecdote to show that people candrastically improve their health by making smallchanges to their diets.O She provides facts to show how helpful medicationand exercise can be for someone who wants to livea healthier lifestyle.O She uses expert quotations to show that makingsmall changes to one's diet takes a lot of time anddetermination.Today, Naar is 20 pounds lighter and down to two pillsa day. Which two taxonomic levels are organismsmost commonly referred? What did Elijah Muhammad overcome? Please help this question finding a side on a triangle 1. Why did Roosevelt create a Second New Deal? Someone plz help me How does an increase in trade affect the cultures involved? Check all that apply. A. More peaceful relationship. B. Exchange of ideas. C. Exchange of people. D. Import/export of respective cultures. John had 30 sneakers, with 18 of the black. What is the ratio of the sneakers that are not black Christian is planning a vacation and finds an airplane ticket that cost 180$. He found a promo code offering 17% off. Write a single algebraic expression that can be used to find the cost of Christians ticket after the discount. Who is good on writing essays or short stories ????please